src/main/java/fr/adrien1106/reframed/ReFramed.java

@@ -42,7 +42,7 @@ public class ReFramed implements ModInitializer {
         SMALL_CUBE, SMALL_CUBES_STEP,
         STAIR, STAIRS_CUBE,
         HALF_STAIR, HALF_STAIRS_SLAB, HALF_STAIRS_STAIR,
-        SLAB, SLABS_CUBE, SLABS_STAIR,
+        SLAB, SLABS_CUBE, SLABS_STAIR, SLABS_OUTER_STAIR, SLABS_INNER_STAIR,
         STEP, STEPS_SLAB,
         LAYER,
         PILLAR, PILLARS_WALL, WALL,
@@ -74,6 +74,8 @@ public class ReFramed implements ModInitializer {
 		SLAB              = registerBlock("slab"              , new ReFramedSlabBlock(cp(Blocks.OAK_SLAB)));
 		SLABS_CUBE        = registerBlock("slabs_cube"        , new ReFramedSlabsCubeBlock(cp(Blocks.OAK_SLAB)));
         SLABS_STAIR       = registerBlock("slabs_stair"       , new ReFramedSlabsStairBlock(cp(Blocks.OAK_STAIRS)));
+        SLABS_OUTER_STAIR = registerBlock("slabs_outer_stair" , new ReFramedSlabsOuterStairBlock(cp(Blocks.OAK_STAIRS)));
+        SLABS_INNER_STAIR = registerBlock("slabs_inner_stair" , new ReFramedSlabsInnerStairBlock(cp(Blocks.OAK_STAIRS)));
 		STEP              = registerBlock("step"              , new ReFramedStepBlock(cp(Blocks.OAK_SLAB)));
 		STEPS_SLAB        = registerBlock("steps_slab"        , new ReFramedStepsSlabBlock(cp(Blocks.OAK_SLAB)));
 		PILLAR            = registerBlock("pillar"            , new ReFramedPillarBlock(cp(Blocks.OAK_FENCE)));

src/main/java/fr/adrien1106/reframed/block/ConnectingReFramedBlock.java

@@ -62,6 +62,7 @@ public abstract class ConnectingReFramedBlock extends WaterloggableReFramedBlock
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         return Direction.Type.HORIZONTAL.stream().reduce(state, (s, dir) ->
                 s.with(getConnectionProperty(rotation.rotate(dir)), state.get(getConnectionProperty(dir)))
@@ -69,6 +70,7 @@ public abstract class ConnectingReFramedBlock extends WaterloggableReFramedBlock
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         return Direction.Type.HORIZONTAL.stream().reduce(state, (s, dir) ->
                 s.with(getConnectionProperty(mirror.apply(dir)), state.get(getConnectionProperty(dir)))
@@ -78,6 +80,7 @@ public abstract class ConnectingReFramedBlock extends WaterloggableReFramedBlock
     protected abstract boolean connectsTo(BlockState state, boolean fs, Direction dir);
 
     @Override
+    @SuppressWarnings("deprecation")
     public abstract VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context);
 
     public static BooleanProperty getConnectionProperty(Direction dir) {

src/main/java/fr/adrien1106/reframed/block/CornerDoubleReFramedBlock.java

@@ -0,0 +1,68 @@
+package fr.adrien1106.reframed.block;
+
+import fr.adrien1106.reframed.util.blocks.BlockHelper;
+import fr.adrien1106.reframed.util.blocks.Corner;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.ShapeContext;
+import net.minecraft.item.ItemPlacementContext;
+import net.minecraft.state.StateManager;
+import net.minecraft.util.BlockMirror;
+import net.minecraft.util.BlockRotation;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.util.shape.VoxelShape;
+import net.minecraft.world.BlockView;
+import org.jetbrains.annotations.Nullable;
+
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.CORNER;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.CORNER_FACE;
+
+public abstract class CornerDoubleReFramedBlock extends WaterloggableReFramedDoubleBlock {
+
+    public CornerDoubleReFramedBlock(Settings settings) {
+        super(settings);
+        setDefaultState(getDefaultState().with(CORNER, Corner.NORTH_EAST_DOWN).with(CORNER_FACE, 0));
+    }
+
+    @Override
+    protected void appendProperties(StateManager.Builder<Block, BlockState> builder) {
+        super.appendProperties(builder.add(CORNER,CORNER_FACE));
+    }
+
+    @Override
+    public @Nullable BlockState getPlacementState(ItemPlacementContext ctx) {
+        Corner corner = BlockHelper.getPlacementCorner(ctx);
+        return super.getPlacementState(ctx)
+            .with(CORNER, corner)
+            .with(CORNER_FACE, corner.getDirectionIndex(ctx.getSide().getOpposite()));
+    }
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public abstract VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context);
+
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public BlockState rotate(BlockState state, BlockRotation rotation) {
+        Corner corner = state.get(CORNER);
+        Direction face = corner.getDirection(state.get(CORNER_FACE));
+        return state
+            .with(CORNER, corner.rotate(rotation))
+            .with(CORNER_FACE, corner.getDirectionIndex(rotation.rotate(face)));
+    }
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public BlockState mirror(BlockState state, BlockMirror mirror) {
+        Corner corner = state.get(CORNER);
+        Direction face = corner.getDirection(state.get(CORNER_FACE));
+        return state
+            .with(CORNER, corner.mirror(mirror))
+            .with(CORNER_FACE, corner.getDirectionIndex(mirror.apply(face)));
+    }
+
+    @Override
+    public abstract VoxelShape getShape(BlockState state, int i);
+}

src/main/java/fr/adrien1106/reframed/block/PillarReFramedBlock.java

@@ -32,14 +32,17 @@ public abstract class PillarReFramedBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public abstract VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context);
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         return state.with(AXIS, rotation.rotate(Direction.get(Direction.AxisDirection.POSITIVE, state.get(AXIS))).getAxis());
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         return state.with(AXIS, mirror.apply(Direction.get(Direction.AxisDirection.POSITIVE, state.get(AXIS))).getAxis());
     }

src/main/java/fr/adrien1106/reframed/block/ReFramedBlock.java

@@ -60,6 +60,7 @@ public class ReFramedBlock extends Block implements BlockEntityProvider {
 	}
 	
 	@Override
+    @SuppressWarnings("deprecation")
 	public ActionResult onUse(BlockState state, World world, BlockPos pos, PlayerEntity player, Hand hand, BlockHitResult hit) {
 		if (!canUse(world, pos, player)) return ActionResult.PASS;
 		ActionResult result = BlockHelper.useUpgrade(state, world, pos, player, hand);
@@ -73,6 +74,7 @@ public class ReFramedBlock extends Block implements BlockEntityProvider {
 	}
 	
 	@Override
+    @SuppressWarnings("deprecation")
 	public void onStateReplaced(BlockState state, World world, BlockPos pos, BlockState new_state, boolean moved) {
 		if(!(new_state.getBlock() instanceof ReFramedBlock) &&
 			world.getBlockEntity(pos) instanceof ReFramedEntity frame_entity &&
@@ -151,6 +153,7 @@ public class ReFramedBlock extends Block implements BlockEntityProvider {
     }
 	
 	@Override
+    @SuppressWarnings("deprecation")
 	public VoxelShape getCollisionShape(BlockState state, BlockView view, BlockPos pos, ShapeContext ctx) {
 		return isGhost(view, pos)
 			? VoxelShapes.empty()
@@ -158,6 +161,7 @@ public class ReFramedBlock extends Block implements BlockEntityProvider {
 	}
 
 	@Override
+    @SuppressWarnings("deprecation")
 	public VoxelShape getCullingShape(BlockState state, BlockView view, BlockPos pos) {
 		return isGhost(view, pos)
 			? VoxelShapes.empty()
@@ -174,11 +178,13 @@ public class ReFramedBlock extends Block implements BlockEntityProvider {
 	}
 	
 	@Override
+    @SuppressWarnings("deprecation")
 	public int getWeakRedstonePower(BlockState state, BlockView view, BlockPos pos, Direction dir) {
 		return view.getBlockEntity(pos) instanceof ReFramedEntity be && be.emitsRedstone() ? 15 : 0;
 	}
 	
 	@Override
+    @SuppressWarnings("deprecation")
 	public int getStrongRedstonePower(BlockState state, BlockView view, BlockPos pos, Direction dir) {
 		return getWeakRedstonePower(state, view, pos, dir);
 	}

src/main/java/fr/adrien1106/reframed/block/ReFramedButtonBlock.java

@@ -51,6 +51,7 @@ public class ReFramedButtonBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public boolean canPlaceAt(BlockState state, WorldView world, BlockPos pos) {
         return canPlaceAt(world, pos, getDirection(state).getOpposite());
     }
@@ -96,6 +97,7 @@ public class ReFramedButtonBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public void onExploded(BlockState state, World world, BlockPos pos, Explosion explosion, BiConsumer<ItemStack, BlockPos> stackMerger) {
         if (explosion.getDestructionType() == Explosion.DestructionType.TRIGGER_BLOCK && !world.isClient() && !(Boolean)state.get(POWERED)) {
             powerOn(state, world, pos);
@@ -120,6 +122,7 @@ public class ReFramedButtonBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
         return BUTTON_VOXELS[
             (state.get(POWERED) ? 12 : 0) +
@@ -129,11 +132,13 @@ public class ReFramedButtonBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         return state.with(HORIZONTAL_FACING, rotation.rotate(state.get(HORIZONTAL_FACING)));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         return state.with(HORIZONTAL_FACING, mirror.apply(state.get(HORIZONTAL_FACING)));
     }
@@ -159,16 +164,19 @@ public class ReFramedButtonBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public boolean emitsRedstonePower(BlockState state) {
         return true;
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public void scheduledTick(BlockState state, ServerWorld world, BlockPos pos, Random random) {
         if (state.get(POWERED)) tryPowerWithProjectiles(state, world, pos);
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public void onEntityCollision(BlockState state, World world, BlockPos pos, Entity entity) {
         if (!world.isClient && !state.get(POWERED)) tryPowerWithProjectiles(state, world, pos);
     }

src/main/java/fr/adrien1106/reframed/block/ReFramedDoorBlock.java

@@ -57,6 +57,7 @@ public class ReFramedDoorBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public boolean canPlaceAt(BlockState state, WorldView world, BlockPos pos) {
         BlockPos pos_down = pos.down();
         BlockState state_down = world.getBlockState(pos_down);
@@ -64,6 +65,7 @@ public class ReFramedDoorBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public void neighborUpdate(BlockState state, World world, BlockPos pos, Block source, BlockPos sourcePos, boolean notify) {
         if (world.isClient) return;
         boolean powered = world.isReceivingRedstonePower(pos)
@@ -162,6 +164,7 @@ public class ReFramedDoorBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public boolean canPathfindThrough(BlockState state, BlockView world, BlockPos pos, NavigationType type) {
         return switch (type) {
             case LAND, AIR -> state.get(OPEN);
@@ -170,6 +173,7 @@ public class ReFramedDoorBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public void onExploded(BlockState state, World world, BlockPos pos, Explosion explosion, BiConsumer<ItemStack, BlockPos> stack_merger) {
         if (explosion.getDestructionType() == Explosion.DestructionType.TRIGGER_BLOCK
                 && !world.isClient()
@@ -192,6 +196,7 @@ public class ReFramedDoorBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
         Direction direction = state.get(HORIZONTAL_FACING);
         if (state.get(OPEN)) direction = switch (state.get(DOOR_HINGE)) {
@@ -202,16 +207,19 @@ public class ReFramedDoorBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         return state.with(HORIZONTAL_FACING, rotation.rotate(state.get(HORIZONTAL_FACING)));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         return mirror == BlockMirror.NONE ? state : state.with(HORIZONTAL_FACING, mirror.apply(state.get(HORIZONTAL_FACING))).cycle(DOOR_HINGE);
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public long getRenderingSeed(BlockState state, BlockPos pos) {
         return MathHelper.hashCode(pos.getX(), pos.down(state.get(DOUBLE_BLOCK_HALF) == DoubleBlockHalf.LOWER ? 0 : 1).getY(), pos.getZ());
     }

src/main/java/fr/adrien1106/reframed/block/ReFramedDoubleBlock.java

@@ -19,7 +19,6 @@ import net.minecraft.world.World;
 import org.jetbrains.annotations.Nullable;
 
 import static net.minecraft.util.shape.VoxelShapes.empty;
-import static net.minecraft.util.shape.VoxelShapes.fullCube;
 
 public abstract class ReFramedDoubleBlock extends ReFramedBlock {
     public ReFramedDoubleBlock(Settings settings) {
@@ -61,7 +60,7 @@ public abstract class ReFramedDoubleBlock extends ReFramedBlock {
 
     @Override
     public VoxelShape getCollisionShape(BlockState state, BlockView view, BlockPos pos, ShapeContext ctx) {
-        return isGhost(view, pos) ? empty() : fullCube();
+        return isGhost(view, pos) ? empty() : getOutlineShape(state, view, pos, ctx);
     }
 
     @Override

src/main/java/fr/adrien1106/reframed/block/ReFramedFenceBlock.java

@@ -56,6 +56,7 @@ public class ReFramedFenceBlock extends ConnectingReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public VoxelShape getCameraCollisionShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
         return getOutlineShape(state, world, pos, context);
     }
@@ -66,10 +67,12 @@ public class ReFramedFenceBlock extends ConnectingReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public boolean canPathfindThrough(BlockState state, BlockView world, BlockPos pos, NavigationType type) {
         return false;
     }
 
+    @Override
     public ActionResult onUse(BlockState state, World world, BlockPos pos, PlayerEntity player, Hand hand, BlockHitResult hit) {
         ActionResult result = super.onUse(state, world, pos, player, hand, hit);
         if (result.isAccepted()) return result;

src/main/java/fr/adrien1106/reframed/block/ReFramedHalfStairBlock.java

@@ -25,6 +25,7 @@ import java.util.Map;
 import static fr.adrien1106.reframed.util.VoxelHelper.VoxelListBuilder;
 import static fr.adrien1106.reframed.util.blocks.BlockProperties.*;
 import static fr.adrien1106.reframed.util.blocks.Corner.*;
+import static net.minecraft.state.property.Properties.FACING;
 import static net.minecraft.state.property.Properties.WATERLOGGED;
 
 public class ReFramedHalfStairBlock extends WaterloggableReFramedBlock {
@@ -42,6 +43,7 @@ public class ReFramedHalfStairBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public boolean canReplace(BlockState state, ItemPlacementContext context) {
         if (context.getPlayer() == null) return false;
         Direction dir = state.get(CORNER).getDirection(state.get(CORNER_FACE));
@@ -51,7 +53,7 @@ public class ReFramedHalfStairBlock extends WaterloggableReFramedBlock {
                 || (
                     !(
                         block_item.getBlock() == this
-                        && ((ReFramedHalfStairsStairBlock) ReFramed.HALF_STAIRS_STAIR)
+                        && ReFramed.HALF_STAIRS_STAIR
                             .matchesShape(
                                 context.getHitPos(),
                                 context.getBlockPos(),
@@ -92,6 +94,15 @@ public class ReFramedHalfStairBlock extends WaterloggableReFramedBlock {
             return ReFramed.HALF_STAIRS_STAIR.getDefaultState()
                 .with(EDGE, current_state.get(CORNER).getEdge(current_state.get(CORNER).getDirection(current_state.get(CORNER_FACE))))
                 .with(WATERLOGGED, current_state.get(WATERLOGGED));
+        else if (current_state.isOf(ReFramed.SLAB)) {
+            Corner corner = BlockHelper.getPlacementCorner(ctx);
+            Direction face = current_state.get(FACING);
+            if (!corner.hasDirection(face)) corner = corner.change(face.getOpposite());
+            return ReFramed.SLABS_INNER_STAIR.getDefaultState()
+                .with(CORNER, corner)
+                .with(CORNER_FACE, corner.getDirectionIndex(face))
+                .with(WATERLOGGED, current_state.get(WATERLOGGED));
+        }
 
         Corner corner = BlockHelper.getPlacementCorner(ctx);
         return super.getPlacementState(ctx)
@@ -100,11 +111,13 @@ public class ReFramedHalfStairBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
         return getHalfStairShape(state.get(CORNER), state.get(CORNER_FACE));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         Corner corner = state.get(CORNER).rotate(rotation);
         Direction face = state.get(CORNER).getDirection(state.get(CORNER_FACE));
@@ -112,6 +125,7 @@ public class ReFramedHalfStairBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         Corner corner = state.get(CORNER).mirror(mirror);
         Direction face = state.get(CORNER).getDirection(state.get(CORNER_FACE));

src/main/java/fr/adrien1106/reframed/block/ReFramedHalfStairsSlabBlock.java

@@ -21,7 +21,6 @@ import static fr.adrien1106.reframed.block.ReFramedSmallCubeBlock.getSmallCubeSh
 import static fr.adrien1106.reframed.util.blocks.BlockProperties.CORNER;
 import static fr.adrien1106.reframed.util.blocks.BlockProperties.CORNER_FACE;
 import static fr.adrien1106.reframed.util.blocks.Corner.NORTH_EAST_DOWN;
-import static net.minecraft.util.shape.VoxelShapes.empty;
 
 public class ReFramedHalfStairsSlabBlock extends WaterloggableReFramedDoubleBlock {
 
@@ -44,16 +43,13 @@ public class ReFramedHalfStairsSlabBlock extends WaterloggableReFramedDoubleBloc
     }
 
     @Override
-    public VoxelShape getCollisionShape(BlockState state, BlockView view, BlockPos pos, ShapeContext ctx) {
+    @SuppressWarnings("deprecation")
-        return isGhost(view, pos) ? empty(): getOutlineShape(state, view, pos, ctx);
-    }
-
-    @Override
     public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
         return getSlabShape(state.get(CORNER).getDirection(state.get(CORNER_FACE)));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         Corner corner = state.get(CORNER).rotate(rotation);
         Direction face = state.get(CORNER).getDirection(state.get(CORNER_FACE));
@@ -61,6 +57,7 @@ public class ReFramedHalfStairsSlabBlock extends WaterloggableReFramedDoubleBloc
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         Corner corner = state.get(CORNER).mirror(mirror);
         Direction face = state.get(CORNER).getDirection(state.get(CORNER_FACE));

src/main/java/fr/adrien1106/reframed/block/ReFramedHalfStairsStairBlock.java

@@ -21,7 +21,6 @@ import static fr.adrien1106.reframed.block.ReFramedHalfStairBlock.getHalfStairSh
 import static fr.adrien1106.reframed.block.ReFramedStairBlock.getStairShape;
 import static fr.adrien1106.reframed.util.blocks.BlockProperties.EDGE;
 import static fr.adrien1106.reframed.util.blocks.Edge.*;
-import static net.minecraft.util.shape.VoxelShapes.empty;
 
 public class ReFramedHalfStairsStairBlock extends WaterloggableReFramedDoubleBlock {
     public ReFramedHalfStairsStairBlock(Settings settings) {
@@ -41,21 +40,19 @@ public class ReFramedHalfStairsStairBlock extends WaterloggableReFramedDoubleBlo
     }
 
     @Override
-    public VoxelShape getCollisionShape(BlockState state, BlockView view, BlockPos pos, ShapeContext ctx) {
+    @SuppressWarnings("deprecation")
-        return isGhost(view, pos) ? empty(): getStairShape(state.get(EDGE), StairShape.STRAIGHT);
-    }
-
-    @Override
     public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
         return getStairShape(state.get(EDGE), StairShape.STRAIGHT);
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         return state.with(EDGE, state.get(EDGE).rotate(rotation));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         return state.with(EDGE, state.get(EDGE).mirror(mirror));
     }

src/main/java/fr/adrien1106/reframed/block/ReFramedLayerBlock.java

@@ -9,8 +9,6 @@ import net.minecraft.item.ItemPlacementContext;
 import net.minecraft.item.ItemStack;
 import net.minecraft.loot.context.LootContextParameterSet;
 import net.minecraft.state.StateManager;
-import net.minecraft.util.BlockMirror;
-import net.minecraft.util.BlockRotation;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.shape.VoxelShape;
 import net.minecraft.world.BlockView;
@@ -32,6 +30,7 @@ public class ReFramedLayerBlock extends ReFramedSlabBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public List<ItemStack> getDroppedStacks(BlockState state, LootContextParameterSet.Builder builder) {
         List<ItemStack> drops = super.getDroppedStacks(state, builder);
         drops.forEach((stack) -> {
@@ -68,16 +67,6 @@ public class ReFramedLayerBlock extends ReFramedSlabBlock {
         return previous.with(LAYERS, previous.get(LAYERS) + 1);
     }
 
-    @Override
-    public BlockState rotate(BlockState state, BlockRotation rotation) {
-        return state.with(FACING, rotation.rotate(state.get(FACING)));
-    }
-
-    @Override
-    public BlockState mirror(BlockState state, BlockMirror mirror) {
-        return state.with(FACING, mirror.apply(state.get(FACING)));
-    }
-
     static {
         VoxelListBuilder builder = VoxelListBuilder.create(createCuboidShape(0, 0, 0, 16, 2, 16), 48)
             .add(createCuboidShape(0, 0, 0, 16, 4, 16))

src/main/java/fr/adrien1106/reframed/block/ReFramedPillarsWallBlock.java

@@ -95,6 +95,7 @@ public class ReFramedPillarsWallBlock extends WaterloggableReFramedDoubleBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
         VoxelShape shape = WALL_VOXELS[0];
         for (Direction dir: Direction.Type.HORIZONTAL) {
@@ -106,6 +107,7 @@ public class ReFramedPillarsWallBlock extends WaterloggableReFramedDoubleBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         return Direction.Type.HORIZONTAL.stream().reduce(state, (s, dir) ->
             s.with(getWallShape(rotation.rotate(dir)), state.get(getWallShape(dir)))
@@ -113,6 +115,7 @@ public class ReFramedPillarsWallBlock extends WaterloggableReFramedDoubleBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         return Direction.Type.HORIZONTAL.stream().reduce(state, (s, dir) ->
                 s.with(getWallShape(mirror.apply(dir)), state.get(getWallShape(dir)))

src/main/java/fr/adrien1106/reframed/block/ReFramedPostFenceBlock.java

@@ -74,6 +74,7 @@ public class ReFramedPostFenceBlock extends WaterloggableReFramedDoubleBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         return Direction.Type.HORIZONTAL.stream().reduce(state, (s, dir) ->
                 s.with(getConnectionProperty(rotation.rotate(dir)), state.get(getConnectionProperty(dir)))
@@ -81,6 +82,7 @@ public class ReFramedPostFenceBlock extends WaterloggableReFramedDoubleBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         return Direction.Type.HORIZONTAL.stream().reduce(state, (s, dir) ->
                 s.with(getConnectionProperty(mirror.apply(dir)), state.get(getConnectionProperty(dir)))
@@ -104,6 +106,7 @@ public class ReFramedPostFenceBlock extends WaterloggableReFramedDoubleBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
         VoxelShape shape = FENCE_VOXELS[0];
         for (Direction dir: Direction.Type.HORIZONTAL) {
@@ -124,6 +127,7 @@ public class ReFramedPostFenceBlock extends WaterloggableReFramedDoubleBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public VoxelShape getCameraCollisionShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
         return getOutlineShape(state, world, pos, context);
     }
@@ -134,6 +138,7 @@ public class ReFramedPostFenceBlock extends WaterloggableReFramedDoubleBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public boolean canPathfindThrough(BlockState state, BlockView world, BlockPos pos, NavigationType type) {
         return false;
     }

src/main/java/fr/adrien1106/reframed/block/ReFramedSlabBlock.java

@@ -41,15 +41,19 @@ public class ReFramedSlabBlock extends WaterloggableReFramedBlock {
 	}
 
 	@Override
+    @SuppressWarnings("deprecation")
 	public boolean canReplace(BlockState state, ItemPlacementContext context) {
         if (context.getPlayer() == null
             || context.getPlayer().isSneaking()
             || !(context.getStack().getItem() instanceof BlockItem block_item)
         ) return false;
 
-        // allow replacing with slab and step
+        // allow replacing with slab, step, small cube and half stair
-        if (block_item.getBlock() != this && block_item.getBlock() != ReFramed.STEP)
+        if (block_item.getBlock() != this
-            return false;
+            && block_item.getBlock() != ReFramed.STEP
+            && block_item.getBlock() != ReFramed.SMALL_CUBE
+            && block_item.getBlock() != ReFramed.HALF_STAIR
+        ) return false;
 
         // check if the player is clicking on the inner part of the block
 		return ReFramed.SLABS_CUBE
@@ -73,16 +77,19 @@ public class ReFramedSlabBlock extends WaterloggableReFramedBlock {
 	}
 
 	@Override
+    @SuppressWarnings("deprecation")
 	public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
 		return getSlabShape(state.get(FACING));
 	}
 
 	@Override
+    @SuppressWarnings("deprecation")
 	public BlockState rotate(BlockState state, BlockRotation rotation) {
 		return state.with(FACING, rotation.rotate(state.get(FACING)));
 	}
 
 	@Override
+    @SuppressWarnings("deprecation")
 	public BlockState mirror(BlockState state, BlockMirror mirror) {
 		return state.with(FACING, mirror.apply(state.get(FACING)));
 	}
@@ -100,6 +107,10 @@ public class ReFramedSlabBlock extends WaterloggableReFramedBlock {
 
 	@Override
 	public Map<Integer, Integer> getThemeMap(BlockState state, BlockState new_state) {
+        if (new_state.isOf(ReFramed.SLABS_STAIR)
+            || new_state.isOf(ReFramed.SLABS_OUTER_STAIR)
+            || new_state.isOf(ReFramed.SLABS_INNER_STAIR)
+        ) return Map.of(1, 1);
 		if (new_state.isOf(ReFramed.SLABS_CUBE)) return Map.of(1, state.get(FACING).getDirection() == Direction.AxisDirection.POSITIVE ? 2 : 1);
 		return super.getThemeMap(state, new_state);
 	}

src/main/java/fr/adrien1106/reframed/block/ReFramedSlabsCubeBlock.java

@@ -11,7 +11,6 @@ import net.minecraft.util.shape.VoxelShape;
 import org.jetbrains.annotations.Nullable;
 
 import static fr.adrien1106.reframed.block.ReFramedSlabBlock.*;
-import static fr.adrien1106.reframed.util.blocks.BlockProperties.EDGE;
 import static net.minecraft.state.property.Properties.AXIS;
 
 public class ReFramedSlabsCubeBlock extends ReFramedDoubleBlock {
@@ -33,11 +32,13 @@ public class ReFramedSlabsCubeBlock extends ReFramedDoubleBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         return state.with(AXIS, rotation.rotate(Direction.get(Direction.AxisDirection.POSITIVE, state.get(AXIS))).getAxis());
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         return state.with(AXIS, mirror.apply(Direction.get(Direction.AxisDirection.POSITIVE, state.get(AXIS))).getAxis());
     }

src/main/java/fr/adrien1106/reframed/block/ReFramedSlabsInnerStairBlock.java

@@ -0,0 +1,48 @@
+package fr.adrien1106.reframed.block;
+
+import fr.adrien1106.reframed.util.blocks.Corner;
+import fr.adrien1106.reframed.util.blocks.Edge;
+import fr.adrien1106.reframed.util.blocks.StairShape;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.ShapeContext;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.util.shape.VoxelShape;
+import net.minecraft.world.BlockView;
+
+import static fr.adrien1106.reframed.block.ReFramedHalfStairBlock.getHalfStairShape;
+import static fr.adrien1106.reframed.block.ReFramedSlabBlock.getSlabShape;
+import static fr.adrien1106.reframed.block.ReFramedStairBlock.getStairShape;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.CORNER;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.CORNER_FACE;
+
+public class ReFramedSlabsInnerStairBlock extends CornerDoubleReFramedBlock {
+
+    public ReFramedSlabsInnerStairBlock(Settings settings) {
+        super(settings);
+    }
+
+    @Override
+    public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
+        Corner corner = state.get(CORNER);
+        Direction face = corner.getDirection(state.get(CORNER_FACE));
+        Edge edge = corner.getEdge(face);
+        return getStairShape(
+            edge,
+            face.getDirection() == Direction.AxisDirection.POSITIVE
+            ? StairShape.INNER_LEFT
+            : StairShape.INNER_RIGHT
+        );
+    }
+
+    @Override
+    public VoxelShape getShape(BlockState state, int i) {
+        Corner corner = state.get(CORNER);
+        Direction face = corner.getDirection(state.get(CORNER_FACE));
+        if (i == 2) corner = corner.change(face);
+        return i == 2
+            ? getHalfStairShape(corner, corner.getDirectionIndex(face.getOpposite()))
+            : getSlabShape(face);
+    }
+
+}

src/main/java/fr/adrien1106/reframed/block/ReFramedSlabsOuterStairBlock.java

@@ -0,0 +1,51 @@
+package fr.adrien1106.reframed.block;
+
+import fr.adrien1106.reframed.util.blocks.Corner;
+import fr.adrien1106.reframed.util.blocks.Edge;
+import fr.adrien1106.reframed.util.blocks.StairShape;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.ShapeContext;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.util.shape.VoxelShape;
+import net.minecraft.world.BlockView;
+
+import static fr.adrien1106.reframed.block.ReFramedSlabBlock.getSlabShape;
+import static fr.adrien1106.reframed.block.ReFramedSmallCubeBlock.getSmallCubeShape;
+import static fr.adrien1106.reframed.block.ReFramedStairBlock.getStairShape;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.CORNER;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.CORNER_FACE;
+
+public class ReFramedSlabsOuterStairBlock extends CornerDoubleReFramedBlock {
+
+    public ReFramedSlabsOuterStairBlock(Settings settings) {
+        super(settings);
+    }
+
+    @Override
+    public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
+        Corner corner = state.get(CORNER);
+        Direction face = corner.getDirection(state.get(CORNER_FACE));
+        Edge edge = corner.getEdgeWith(face);
+        return getStairShape(
+            edge,
+            corner.getOtherDirection(edge).getDirection() == Direction.AxisDirection.POSITIVE
+            ? edge.getDirectionIndex(face) == 1
+                ? StairShape.FIRST_OUTER_LEFT
+                : StairShape.SECOND_OUTER_LEFT
+            : edge.getDirectionIndex(face) == 1
+                ? StairShape.FIRST_OUTER_RIGHT
+                : StairShape.SECOND_OUTER_RIGHT
+        );
+    }
+
+    @Override
+    public VoxelShape getShape(BlockState state, int i) {
+        Corner corner = state.get(CORNER);
+        Direction face = corner.getDirection(state.get(CORNER_FACE));
+        return i == 2
+            ? getSmallCubeShape(corner.change(face))
+            : getSlabShape(face);
+    }
+
+}

src/main/java/fr/adrien1106/reframed/block/ReFramedSlabsStairBlock.java

@@ -21,7 +21,6 @@ import static fr.adrien1106.reframed.block.ReFramedStairBlock.getStairShape;
 import static fr.adrien1106.reframed.block.ReFramedStepBlock.getStepShape;
 import static fr.adrien1106.reframed.util.blocks.BlockProperties.EDGE;
 import static fr.adrien1106.reframed.util.blocks.BlockProperties.EDGE_FACE;
-import static net.minecraft.util.shape.VoxelShapes.empty;
 
 public class ReFramedSlabsStairBlock extends WaterloggableReFramedDoubleBlock {
 
@@ -44,16 +43,13 @@ public class ReFramedSlabsStairBlock extends WaterloggableReFramedDoubleBlock {
     }
 
     @Override
-    public VoxelShape getCollisionShape(BlockState state, BlockView view, BlockPos pos, ShapeContext ctx) {
+    @SuppressWarnings("deprecation")
-        return isGhost(view, pos) ? empty() : getOutlineShape(state, view, pos, ctx);
-    }
-
-    @Override
     public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
         return getStairShape(state.get(EDGE), StairShape.STRAIGHT);
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         Edge edge = state.get(EDGE).rotate(rotation);
         Direction face = state.get(EDGE).getDirection(state.get(EDGE_FACE));
@@ -61,6 +57,7 @@ public class ReFramedSlabsStairBlock extends WaterloggableReFramedDoubleBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         Edge edge = state.get(EDGE).mirror(mirror);
         Direction face = state.get(EDGE).getDirection(state.get(EDGE_FACE));

src/main/java/fr/adrien1106/reframed/block/ReFramedSmallCubeBlock.java

@@ -25,6 +25,7 @@ import java.util.Map;
 import static fr.adrien1106.reframed.util.VoxelHelper.VoxelListBuilder;
 import static fr.adrien1106.reframed.util.blocks.BlockProperties.*;
 import static fr.adrien1106.reframed.util.blocks.Corner.*;
+import static net.minecraft.state.property.Properties.FACING;
 import static net.minecraft.state.property.Properties.WATERLOGGED;
 
 public class ReFramedSmallCubeBlock extends WaterloggableReFramedBlock {
@@ -42,6 +43,7 @@ public class ReFramedSmallCubeBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public boolean canReplace(BlockState state, ItemPlacementContext context) {
         if (context.getPlayer() == null) return false;
         Corner corner = state.get(CORNER);
@@ -63,21 +65,21 @@ public class ReFramedSmallCubeBlock extends WaterloggableReFramedBlock {
                     && !(
                         block_item.getBlock() == this
                         && (
-                            ((ReFramedSmallCubesStepBlock) ReFramed.SMALL_CUBES_STEP)
+                            ReFramed.SMALL_CUBES_STEP
                                 .matchesShape(
                                     context.getHitPos(),
                                     context.getBlockPos(),
                                     ReFramed.SMALL_CUBES_STEP.getDefaultState().with(EDGE, corner.getEdge(corner.getFirstDirection())),
                                     corner.getFirstDirection().getDirection() == Direction.AxisDirection.POSITIVE ? 1 : 2
                                 )
-                            || ((ReFramedSmallCubesStepBlock) ReFramed.SMALL_CUBES_STEP)
+                            || ReFramed.SMALL_CUBES_STEP
                                 .matchesShape(
                                     context.getHitPos(),
                                     context.getBlockPos(),
                                     ReFramed.SMALL_CUBES_STEP.getDefaultState().with(EDGE, corner.getEdge(corner.getSecondDirection())),
                                     corner.getSecondDirection().getDirection() == Direction.AxisDirection.POSITIVE ? 1 : 2
                                 )
-                            || ((ReFramedSmallCubesStepBlock) ReFramed.SMALL_CUBES_STEP)
+                            || ReFramed.SMALL_CUBES_STEP
                                 .matchesShape(
                                     context.getHitPos(),
                                     context.getBlockPos(),
@@ -118,22 +120,33 @@ public class ReFramedSmallCubeBlock extends WaterloggableReFramedBlock {
                 corner.getSecondDirection().getDirection() == Direction.AxisDirection.POSITIVE ? 1 : 2
             )) return state;
             return state.with(EDGE, corner.getEdge(corner.getThirdDirection()));
+        } else if (current_state.isOf(ReFramed.SLAB)) {
+            Corner corner = BlockHelper.getPlacementCorner(ctx);
+            Direction face = current_state.get(FACING);
+            if (!corner.hasDirection(face)) corner = corner.change(face.getOpposite());
+            return ReFramed.SLABS_OUTER_STAIR.getDefaultState()
+                .with(CORNER, corner)
+                .with(CORNER_FACE, corner.getDirectionIndex(face))
+                .with(WATERLOGGED, current_state.get(WATERLOGGED));
         }
 
         return super.getPlacementState(ctx).with(CORNER, BlockHelper.getPlacementCorner(ctx));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
         return getSmallCubeShape(state.get(CORNER));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         return state.with(CORNER, state.get(CORNER).rotate(rotation));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         return state.with(CORNER, state.get(CORNER).mirror(mirror));
     }

src/main/java/fr/adrien1106/reframed/block/ReFramedSmallCubesStepBlock.java

@@ -18,7 +18,6 @@ import org.jetbrains.annotations.Nullable;
 import static fr.adrien1106.reframed.block.ReFramedSmallCubeBlock.SMALL_CUBE_VOXELS;
 import static fr.adrien1106.reframed.block.ReFramedStepBlock.getStepShape;
 import static fr.adrien1106.reframed.util.blocks.BlockProperties.EDGE;
-import static net.minecraft.util.shape.VoxelShapes.empty;
 
 public class ReFramedSmallCubesStepBlock extends WaterloggableReFramedDoubleBlock {
 
@@ -39,21 +38,19 @@ public class ReFramedSmallCubesStepBlock extends WaterloggableReFramedDoubleBloc
     }
 
     @Override
-    public VoxelShape getCollisionShape(BlockState state, BlockView view, BlockPos pos, ShapeContext ctx) {
+    @SuppressWarnings("deprecation")
-        return isGhost(view, pos) ? empty(): getStepShape(state.get(EDGE));
-    }
-
-    @Override
     public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
         return getStepShape(state.get(EDGE));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         return state.with(EDGE, state.get(EDGE).rotate(rotation));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         return state.with(EDGE, state.get(EDGE).mirror(mirror));
     }

src/main/java/fr/adrien1106/reframed/block/ReFramedStairBlock.java

@@ -45,6 +45,7 @@ public class ReFramedStairBlock extends WaterloggableReFramedBlock {
 	}
 
 	@Override
+    @SuppressWarnings("deprecation")
 	public boolean canReplace(BlockState state, ItemPlacementContext context) {
         if (context.getPlayer() == null) return false;
 		return !(
@@ -94,11 +95,13 @@ public class ReFramedStairBlock extends WaterloggableReFramedBlock {
 	}
 
 	@Override
+    @SuppressWarnings("deprecation")
 	public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
 		return getStairShape(state.get(EDGE), state.get(STAIR_SHAPE));
 	}
 
 	@Override
+    @SuppressWarnings("deprecation")
 	public BlockState rotate(BlockState state, BlockRotation rotation) {
 		Edge prev_edge = state.get(EDGE);
 		Edge edge = prev_edge.rotate(rotation);
@@ -115,6 +118,7 @@ public class ReFramedStairBlock extends WaterloggableReFramedBlock {
 	}
 
 	@Override
+    @SuppressWarnings("deprecation")
 	public BlockState mirror(BlockState state, BlockMirror mirror) {
 		Edge prev_edge = state.get(EDGE);
 		Edge edge = prev_edge.mirror(mirror);

src/main/java/fr/adrien1106/reframed/block/ReFramedStairsCubeBlock.java

@@ -36,6 +36,7 @@ public class ReFramedStairsCubeBlock extends ReFramedDoubleBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState getStateForNeighborUpdate(BlockState state, Direction direction, BlockState neighbor_state, WorldAccess world, BlockPos pos, BlockPos moved) {
         return super.getStateForNeighborUpdate(state, direction, neighbor_state, world, pos, moved)
             .with(STAIR_SHAPE, BlockHelper.getStairsShape(state.get(EDGE), world, pos));
@@ -52,6 +53,7 @@ public class ReFramedStairsCubeBlock extends ReFramedDoubleBlock {
 
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         Edge prev_edge = state.get(EDGE);
         Edge edge = prev_edge.rotate(rotation);
@@ -68,6 +70,7 @@ public class ReFramedStairsCubeBlock extends ReFramedDoubleBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         Edge prev_edge = state.get(EDGE);
         Edge edge = prev_edge.mirror(mirror);

src/main/java/fr/adrien1106/reframed/block/ReFramedStepBlock.java

@@ -41,6 +41,7 @@ public class ReFramedStepBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public boolean canReplace(BlockState state, ItemPlacementContext context) {
         if (context.getPlayer() == null
             || context.getPlayer().isSneaking()
@@ -96,8 +97,8 @@ public class ReFramedStepBlock extends WaterloggableReFramedBlock {
             else if (matchesShape(hit, pos,
                 current_state.with(EDGE, edge.getOpposite(edge.getSecondDirection()))
             )) return ReFramed.STEPS_SLAB.getDefaultState()
-                .with(FACING, edge.getFirstDirection())
+                .with(FACING, edge.getSecondDirection())
-                .with(AXIS, edge.getSecondDirection().getAxis())
+                .with(AXIS, edge.getFirstDirection().getAxis())
                 .with(WATERLOGGED, current_state.get(WATERLOGGED));
 
             // Steps Cross
@@ -121,16 +122,19 @@ public class ReFramedStepBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
         return getStepShape(state.get(EDGE));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         return state.with(EDGE, state.get(EDGE).rotate(rotation));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         return state.with(EDGE, state.get(EDGE).mirror(mirror));
     }

src/main/java/fr/adrien1106/reframed/block/ReFramedStepsSlabBlock.java

@@ -21,7 +21,6 @@ import static fr.adrien1106.reframed.block.ReFramedSlabBlock.getSlabShape;
 import static fr.adrien1106.reframed.block.ReFramedStepBlock.getStepShape;
 import static net.minecraft.state.property.Properties.AXIS;
 import static net.minecraft.state.property.Properties.FACING;
-import static net.minecraft.util.shape.VoxelShapes.empty;
 
 public class ReFramedStepsSlabBlock extends WaterloggableReFramedDoubleBlock {
 
@@ -44,16 +43,13 @@ public class ReFramedStepsSlabBlock extends WaterloggableReFramedDoubleBlock {
     }
 
     @Override
-    public VoxelShape getCollisionShape(BlockState state, BlockView view, BlockPos pos, ShapeContext ctx) {
+    @SuppressWarnings("deprecation")
-        return isGhost(view, pos) ? empty() : getSlabShape(state.get(FACING));
-    }
-
-    @Override
     public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
         return getSlabShape(state.get(FACING));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         return state
             .with(AXIS, rotation.rotate(Direction.get(Direction.AxisDirection.POSITIVE, state.get(AXIS))).getAxis())
@@ -61,6 +57,7 @@ public class ReFramedStepsSlabBlock extends WaterloggableReFramedDoubleBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         if (state.get(FACING).getAxis() != Axis.Y)
             return state.with(FACING, mirror.apply(state.get(FACING)));

src/main/java/fr/adrien1106/reframed/block/ReFramedTrapdoorBlock.java

@@ -48,6 +48,7 @@ public class ReFramedTrapdoorBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public void neighborUpdate(BlockState state, World world, BlockPos pos, Block source, BlockPos sourcePos, boolean notify) {
         if (world.isClient) return;
         boolean powered = world.isReceivingRedstonePower(pos);
@@ -99,6 +100,7 @@ public class ReFramedTrapdoorBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public boolean canPathfindThrough(BlockState state, BlockView world, BlockPos pos, NavigationType type) {
         return switch (type) {
             case LAND, AIR -> state.get(OPEN);
@@ -107,6 +109,7 @@ public class ReFramedTrapdoorBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public void onExploded(BlockState state, World world, BlockPos pos, Explosion explosion, BiConsumer<ItemStack, BlockPos> stack_merger) {
         if (explosion.getDestructionType() == Explosion.DestructionType.TRIGGER_BLOCK
                 && !world.isClient()
@@ -129,6 +132,7 @@ public class ReFramedTrapdoorBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
         int index;
         if (!state.get(OPEN)) index = state.get(BLOCK_HALF) == BlockHalf.BOTTOM ? 0 : 1;
@@ -137,11 +141,13 @@ public class ReFramedTrapdoorBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         return state.with(HORIZONTAL_FACING, rotation.rotate(state.get(HORIZONTAL_FACING)));
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         return state.with(HORIZONTAL_FACING, mirror.apply(state.get(HORIZONTAL_FACING)));
     }

src/main/java/fr/adrien1106/reframed/block/ReFramedWallBlock.java

@@ -87,6 +87,7 @@ public class ReFramedWallBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
         VoxelShape shape = state.get(UP) ? WALL_VOXELS[0]: VoxelShapes.empty();
         for (Direction dir : Direction.Type.HORIZONTAL) {
@@ -109,6 +110,7 @@ public class ReFramedWallBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState rotate(BlockState state, BlockRotation rotation) {
         return Direction.Type.HORIZONTAL.stream().reduce(state, (s, dir) ->
                 s.with(getWallShape(rotation.rotate(dir)), state.get(getWallShape(dir)))
@@ -116,6 +118,7 @@ public class ReFramedWallBlock extends WaterloggableReFramedBlock {
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public BlockState mirror(BlockState state, BlockMirror mirror) {
         return Direction.Type.HORIZONTAL.stream().reduce(state, (s, dir) ->
                 s.with(getWallShape(mirror.apply(dir)), state.get(getWallShape(dir)))

src/main/java/fr/adrien1106/reframed/block/WaterloggableReFramedBlock.java

@@ -33,10 +33,13 @@ public class WaterloggableReFramedBlock extends ReFramedBlock implements Waterlo
 	}
 	
 	@Override
+    @SuppressWarnings("deprecation")
 	public FluidState getFluidState(BlockState state) {
 		return state.get(Properties.WATERLOGGED) ? Fluids.WATER.getStill(false) : super.getFluidState(state);
 	}
 
+    @Override
+    @SuppressWarnings("deprecation")
 	public BlockState getStateForNeighborUpdate(BlockState state, Direction direction, BlockState otherState, WorldAccess world, BlockPos pos, BlockPos moved) {
 		if(state.get(Properties.WATERLOGGED)) world.scheduleFluidTick(pos, Fluids.WATER, Fluids.WATER.getTickRate(world));
 		return super.getStateForNeighborUpdate(state, direction, otherState, world, pos, moved);

src/main/java/fr/adrien1106/reframed/block/WaterloggableReFramedDoubleBlock.java

@@ -33,10 +33,13 @@ public class WaterloggableReFramedDoubleBlock extends ReFramedDoubleBlock implem
     }
 
     @Override
+    @SuppressWarnings("deprecation")
     public FluidState getFluidState(BlockState state) {
         return state.get(Properties.WATERLOGGED) ? Fluids.WATER.getStill(false) : super.getFluidState(state);
     }
 
+    @Override
+    @SuppressWarnings("deprecation")
     public BlockState getStateForNeighborUpdate(BlockState state, Direction direction, BlockState otherState, WorldAccess world, BlockPos pos, BlockPos moved) {
         if(state.get(Properties.WATERLOGGED)) world.scheduleFluidTick(pos, Fluids.WATER, Fluids.WATER.getTickRate(world));
         return super.getStateForNeighborUpdate(state, direction, otherState, world, pos, moved);

src/main/java/fr/adrien1106/reframed/client/ReFramedClient.java

@@ -147,6 +147,12 @@ public class ReFramedClient implements ClientModInitializer {
         // SLABS STAIR
         HELPER.addReFramedModel("slabs_stair"               , HELPER.autoDouble(ReFramed.id("block/slabs_stair/slab"), ReFramed.id("block/slabs_stair/step")));
         HELPER.addReFramedModel("slabs_stair_side"          , HELPER.autoDouble(ReFramed.id("block/slabs_stair/side/slab"), ReFramed.id("block/slabs_stair/side/step")));
+        // SLABS OUTER STAIR
+        HELPER.addReFramedModel("slabs_outer_stair"         , HELPER.autoDouble(ReFramed.id("block/slabs_stair/outer/slab"), ReFramed.id("block/slabs_stair/outer/cube")));
+        HELPER.addReFramedModel("slabs_outer_stair_side"    , HELPER.autoDouble(ReFramed.id("block/slabs_stair/outer/side/slab"), ReFramed.id("block/slabs_stair/outer/side/cube")));
+        // SLABS OUTER STAIR
+        HELPER.addReFramedModel("slabs_inner_stair"         , HELPER.autoDouble(ReFramed.id("block/slabs_stair/inner/slab"), ReFramed.id("block/slabs_stair/inner/half_stair")));
+        HELPER.addReFramedModel("slabs_inner_stair_side"    , HELPER.autoDouble(ReFramed.id("block/slabs_stair/inner/side/slab"), ReFramed.id("block/slabs_stair/inner/side/half_stair")));
 
 
 		//item model assignments (in lieu of models/item/___.json)
@@ -174,6 +180,8 @@ public class ReFramedClient implements ClientModInitializer {
         HELPER.assignItemModel("fence_inventory"       , ReFramed.FENCE);
         HELPER.assignItemModel("post_fence_inventory"  , ReFramed.POST_FENCE);
         HELPER.assignItemModel("slabs_stair"           , ReFramed.SLABS_STAIR);
+        HELPER.assignItemModel("slabs_outer_stair"     , ReFramed.SLABS_OUTER_STAIR);
+        HELPER.assignItemModel("slabs_inner_stair"     , ReFramed.SLABS_INNER_STAIR);
 	}
 	
 	private void privateInit() {

src/main/java/fr/adrien1106/reframed/generator/GBlockstate.java

@@ -27,6 +27,8 @@ public class GBlockstate extends FabricModelProvider {
         providers.put(ReFramedSlabBlock.class, new Slab());
         providers.put(ReFramedSlabsCubeBlock.class, new SlabsCube());
         providers.put(ReFramedSlabsStairBlock.class, new SlabsStair());
+        providers.put(ReFramedSlabsOuterStairBlock.class, new SlabsOuterStair());
+        providers.put(ReFramedSlabsInnerStairBlock.class, new SlabsInnerStair());
         providers.put(ReFramedSmallCubeBlock.class, new SmallCube());
         providers.put(ReFramedSmallCubesStepBlock.class, new SmallCubesStep());
         providers.put(ReFramedStairBlock.class, new Stair());

src/main/java/fr/adrien1106/reframed/generator/GRecipe.java

@@ -29,6 +29,8 @@ public class GRecipe extends FabricRecipeProvider {
         providers.put(ReFramedSlabBlock.class, new Slab());
         providers.put(ReFramedSlabsCubeBlock.class, new SlabsCube());
         providers.put(ReFramedSlabsStairBlock.class, new SlabsStair());
+        providers.put(ReFramedSlabsOuterStairBlock.class, new SlabsOuterStair());
+        providers.put(ReFramedSlabsInnerStairBlock.class, new SlabsInnerStair());
         providers.put(ReFramedSmallCubeBlock.class, new SmallCube());
         providers.put(ReFramedSmallCubesStepBlock.class, new SmallCubesStep());
         providers.put(ReFramedStairBlock.class, new Stair());

src/main/java/fr/adrien1106/reframed/generator/block/CornerDouble.java

@@ -0,0 +1,77 @@
+package fr.adrien1106.reframed.generator.block;
+
+import fr.adrien1106.reframed.ReFramed;
+import fr.adrien1106.reframed.generator.GBlockstate;
+import fr.adrien1106.reframed.util.blocks.Corner;
+import net.minecraft.block.Block;
+import net.minecraft.data.client.MultipartBlockStateSupplier;
+import net.minecraft.util.Identifier;
+
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.CORNER;
+import static fr.adrien1106.reframed.util.blocks.BlockProperties.CORNER_FACE;
+import static net.minecraft.data.client.VariantSettings.Rotation.*;
+
+public class CornerDouble {
+
+
+    public static MultipartBlockStateSupplier getMultipart(Block block, String model_name) {
+        Identifier model_id = ReFramed.id(model_name + "_special");
+        Identifier side_id = ReFramed.id(model_name + "_side_special");
+        return MultipartBlockStateSupplier.create(block)
+            // BOTTOM
+            .with(GBlockstate.when(CORNER, Corner.EAST_SOUTH_DOWN, CORNER_FACE, 2),
+                GBlockstate.variant(model_id, true, R0, R0))
+            .with(GBlockstate.when(CORNER, Corner.SOUTH_WEST_DOWN, CORNER_FACE, 2),
+                GBlockstate.variant(model_id, true, R0, R90))
+            .with(GBlockstate.when(CORNER, Corner.WEST_NORTH_DOWN, CORNER_FACE, 2),
+                GBlockstate.variant(model_id, true, R0, R180))
+            .with(GBlockstate.when(CORNER, Corner.NORTH_EAST_DOWN, CORNER_FACE, 2),
+                GBlockstate.variant(model_id, true, R0, R270))
+            // TOP
+            .with(GBlockstate.when(CORNER, Corner.NORTH_EAST_UP, CORNER_FACE, 2),
+                GBlockstate.variant(model_id, true, R180, R0))
+            .with(GBlockstate.when(CORNER, Corner.EAST_SOUTH_UP, CORNER_FACE, 2),
+                GBlockstate.variant(model_id, true, R180, R90))
+            .with(GBlockstate.when(CORNER, Corner.SOUTH_WEST_UP, CORNER_FACE, 2),
+                GBlockstate.variant(model_id, true, R180, R180))
+            .with(GBlockstate.when(CORNER, Corner.WEST_NORTH_UP, CORNER_FACE, 2),
+                GBlockstate.variant(model_id, true, R180, R270))
+            // EAST
+            .with(GBlockstate.when(CORNER, Corner.EAST_SOUTH_DOWN, CORNER_FACE, 0),
+                GBlockstate.variant(side_id, true, R0, R0))
+            .with(GBlockstate.when(CORNER, Corner.EAST_SOUTH_UP, CORNER_FACE, 0),
+                GBlockstate.variant(side_id, true, R90, R0))
+            .with(GBlockstate.when(CORNER, Corner.NORTH_EAST_UP, CORNER_FACE, 1),
+                GBlockstate.variant(side_id, true, R180, R0))
+            .with(GBlockstate.when(CORNER, Corner.NORTH_EAST_DOWN, CORNER_FACE, 1),
+                GBlockstate.variant(side_id, true, R270, R0))
+            // SOUTH
+            .with(GBlockstate.when(CORNER, Corner.SOUTH_WEST_DOWN, CORNER_FACE, 0),
+                GBlockstate.variant(side_id, true, R0, R90))
+            .with(GBlockstate.when(CORNER, Corner.SOUTH_WEST_UP, CORNER_FACE, 0),
+                GBlockstate.variant(side_id, true, R90, R90))
+            .with(GBlockstate.when(CORNER, Corner.EAST_SOUTH_UP, CORNER_FACE, 1),
+                GBlockstate.variant(side_id, true, R180, R90))
+            .with(GBlockstate.when(CORNER, Corner.EAST_SOUTH_DOWN, CORNER_FACE, 1),
+                GBlockstate.variant(side_id, true, R270, R90))
+            // WEST
+            .with(GBlockstate.when(CORNER, Corner.WEST_NORTH_DOWN, CORNER_FACE, 0),
+                GBlockstate.variant(side_id, true, R0, R180))
+            .with(GBlockstate.when(CORNER, Corner.WEST_NORTH_UP, CORNER_FACE, 0),
+                GBlockstate.variant(side_id, true, R90, R180))
+            .with(GBlockstate.when(CORNER, Corner.SOUTH_WEST_UP, CORNER_FACE, 1),
+                GBlockstate.variant(side_id, true, R180, R180))
+            .with(GBlockstate.when(CORNER, Corner.SOUTH_WEST_DOWN, CORNER_FACE, 1),
+                GBlockstate.variant(side_id, true, R270, R180))
+            // NORTH
+            .with(GBlockstate.when(CORNER, Corner.NORTH_EAST_DOWN, CORNER_FACE, 0),
+                GBlockstate.variant(side_id, true, R0, R270))
+            .with(GBlockstate.when(CORNER, Corner.NORTH_EAST_UP, CORNER_FACE, 0),
+                GBlockstate.variant(side_id, true, R90, R270))
+            .with(GBlockstate.when(CORNER, Corner.WEST_NORTH_UP, CORNER_FACE, 1),
+                GBlockstate.variant(side_id, true, R180, R270))
+            .with(GBlockstate.when(CORNER, Corner.WEST_NORTH_DOWN, CORNER_FACE, 1),
+                GBlockstate.variant(side_id, true, R270, R270))
+            ;
+    }
+}

src/main/java/fr/adrien1106/reframed/generator/block/SlabsInnerStair.java

@@ -0,0 +1,33 @@
+package fr.adrien1106.reframed.generator.block;
+
+import fr.adrien1106.reframed.ReFramed;
+import fr.adrien1106.reframed.generator.BlockStateProvider;
+import fr.adrien1106.reframed.generator.RecipeSetter;
+import net.fabricmc.fabric.api.datagen.v1.provider.FabricRecipeProvider;
+import net.minecraft.block.Block;
+import net.minecraft.data.client.MultipartBlockStateSupplier;
+import net.minecraft.data.server.recipe.RecipeExporter;
+import net.minecraft.data.server.recipe.RecipeProvider;
+import net.minecraft.data.server.recipe.ShapelessRecipeJsonBuilder;
+import net.minecraft.item.ItemConvertible;
+import net.minecraft.recipe.book.RecipeCategory;
+
+public class SlabsInnerStair implements RecipeSetter, BlockStateProvider {
+
+    @Override
+    public void setRecipe(RecipeExporter exporter, ItemConvertible convertible) {
+        RecipeProvider.offerStonecuttingRecipe(exporter, RecipeCategory.BUILDING_BLOCKS, convertible, ReFramed.CUBE);
+        ShapelessRecipeJsonBuilder
+            .create(RecipeCategory.BUILDING_BLOCKS, convertible)
+            .input(ReFramed.HALF_STAIR)
+            .input(ReFramed.SLAB)
+            .criterion(FabricRecipeProvider.hasItem(ReFramed.CUBE), FabricRecipeProvider.conditionsFromItem(ReFramed.CUBE))
+            .criterion(FabricRecipeProvider.hasItem(convertible), FabricRecipeProvider.conditionsFromItem(convertible))
+            .offerTo(exporter);
+    }
+
+    @Override
+    public MultipartBlockStateSupplier getMultipart(Block block) {
+        return CornerDouble.getMultipart(block, "slabs_inner_stair");
+    }
+}

src/main/java/fr/adrien1106/reframed/generator/block/SlabsOuterStair.java

@@ -0,0 +1,33 @@
+package fr.adrien1106.reframed.generator.block;
+
+import fr.adrien1106.reframed.ReFramed;
+import fr.adrien1106.reframed.generator.BlockStateProvider;
+import fr.adrien1106.reframed.generator.RecipeSetter;
+import net.fabricmc.fabric.api.datagen.v1.provider.FabricRecipeProvider;
+import net.minecraft.block.Block;
+import net.minecraft.data.client.MultipartBlockStateSupplier;
+import net.minecraft.data.server.recipe.RecipeExporter;
+import net.minecraft.data.server.recipe.RecipeProvider;
+import net.minecraft.data.server.recipe.ShapelessRecipeJsonBuilder;
+import net.minecraft.item.ItemConvertible;
+import net.minecraft.recipe.book.RecipeCategory;
+
+public class SlabsOuterStair implements RecipeSetter, BlockStateProvider {
+
+    @Override
+    public void setRecipe(RecipeExporter exporter, ItemConvertible convertible) {
+        RecipeProvider.offerStonecuttingRecipe(exporter, RecipeCategory.BUILDING_BLOCKS, convertible, ReFramed.CUBE);
+        ShapelessRecipeJsonBuilder
+            .create(RecipeCategory.BUILDING_BLOCKS, convertible)
+            .input(ReFramed.SMALL_CUBE)
+            .input(ReFramed.SLAB)
+            .criterion(FabricRecipeProvider.hasItem(ReFramed.CUBE), FabricRecipeProvider.conditionsFromItem(ReFramed.CUBE))
+            .criterion(FabricRecipeProvider.hasItem(convertible), FabricRecipeProvider.conditionsFromItem(convertible))
+            .offerTo(exporter);
+    }
+
+    @Override
+    public MultipartBlockStateSupplier getMultipart(Block block) {
+        return CornerDouble.getMultipart(block, "slabs_outer_stair");
+    }
+}

src/main/java/fr/adrien1106/reframed/util/blocks/Corner.java

@@ -116,6 +116,14 @@ public enum Corner implements StringIdentifiable {
         );
     }
 
+    public Edge getEdgeWith(Direction direction) {
+        return Edge.getByDirections(
+            first_direction == direction ? first_direction : second_direction,
+            first_direction == direction ? second_direction : third_direction
+        );
+
+    }
+
     public Direction getOtherDirection(Edge edge) {
         if (edge.getFirstDirection() != second_direction && edge.getSecondDirection() != second_direction) return second_direction;
         if (edge.getFirstDirection() != third_direction && edge.getSecondDirection() != third_direction) return third_direction;
@@ -137,4 +145,13 @@ public enum Corner implements StringIdentifiable {
             mirror.apply(third_direction)
         );
     }
+
+    public Corner change(Direction face) {
+        Direction opposite = face.getOpposite();
+        return getByDirections(
+            first_direction == face ? opposite : first_direction,
+            second_direction == face ? opposite : second_direction,
+            third_direction == face ? opposite : third_direction
+        );
+    }
 }

src/main/resources/assets/reframed/models/block/slabs_stair/inner/side/slab.json

@@ -0,0 +1,67 @@
+{
+	"credit": "Made with Blockbench",
+	"parent": "block/block",
+	"textures": {
+		"particle": "#side"
+	},
+	"elements": [
+		{
+			"from": [8, 0, 0],
+			"to": [16, 8, 8],
+			"rotation": {"angle": 0, "axis": "y", "origin": [8, 0, 0]},
+			"faces": {
+				"north": {"uv": [0, 8, 8, 16], "texture": "#side", "cullface": "north"},
+				"east": {"uv": [8, 8, 16, 16], "texture": "#side", "cullface": "east"},
+				"west": {"uv": [0, 8, 8, 16], "texture": "#side"},
+				"down": {"uv": [8, 8, 16, 16], "texture": "#bottom", "cullface": "down"}
+			}
+		},
+		{
+			"from": [8, 0, 8],
+			"to": [16, 8, 16],
+			"rotation": {"angle": 0, "axis": "y", "origin": [8, 0, 8]},
+			"faces": {
+				"east": {"uv": [0, 8, 8, 16], "texture": "#side", "cullface": "east"},
+				"south": {"uv": [8, 8, 16, 16], "texture": "#side", "cullface": "south"},
+				"west": {"uv": [8, 8, 16, 16], "texture": "#side", "cullface": "down"},
+				"down": {"uv": [8, 0, 16, 8], "texture": "#bottom", "cullface": "down"}
+			}
+		},
+		{
+			"from": [8, 8, 8],
+			"to": [16, 16, 16],
+			"rotation": {"angle": 0, "axis": "y", "origin": [8, 8, 8]},
+			"faces": {
+				"east": {"uv": [0, 0, 8, 8], "texture": "#side", "cullface": "east"},
+				"south": {"uv": [8, 0, 16, 8], "texture": "#side", "cullface": "south"},
+				"west": {"uv": [8, 0, 16, 8], "texture": "#side"},
+				"up": {"uv": [8, 8, 16, 16], "texture": "#top", "cullface": "up"}
+			}
+		},
+		{
+			"from": [8, 8, 0],
+			"to": [16, 16, 8],
+			"rotation": {"angle": 0, "axis": "y", "origin": [8, 8, 0]},
+			"faces": {
+				"north": {"uv": [0, 0, 8, 8], "texture": "#side", "cullface": "north"},
+				"east": {"uv": [8, 0, 16, 8], "texture": "#side", "cullface": "east"},
+				"west": {"uv": [0, 0, 8, 8], "texture": "#side"},
+				"up": {"uv": [8, 0, 16, 8], "texture": "#top", "cullface": "up"}
+			}
+		}
+	],
+	"display": {
+		"thirdperson_lefthand": {
+			"rotation": [75, -135, 0],
+			"translation": [0, 2.5, 0],
+			"scale": [0.375, 0.375, 0.375]
+		},
+		"gui": {
+			"rotation": [30, 135, 0],
+			"scale": [0.625, 0.625, 0.625]
+		},
+		"head": {
+			"rotation": [0, -90, 0]
+		}
+	}
+}

src/main/resources/assets/reframed/models/block/slabs_stair/inner/slab.json

@@ -0,0 +1,67 @@
+{
+	"credit": "Made with Blockbench",
+	"parent": "block/block",
+	"textures": {
+		"particle": "#side"
+	},
+	"elements": [
+		{
+			"from": [0, 0, 8],
+			"to": [8, 8, 16],
+			"rotation": {"angle": 0, "axis": "y", "origin": [-8, 0, 8]},
+			"faces": {
+				"south": {"uv": [0, 8, 8, 16], "texture": "#side", "cullface": "south"},
+				"west": {"uv": [8, 8, 16, 16], "texture": "#side", "cullface": "west"},
+				"up": {"uv": [0, 8, 8, 16], "texture": "#top"},
+				"down": {"uv": [0, 0, 8, 8], "texture": "#bottom", "cullface": "down"}
+			}
+		},
+		{
+			"from": [0, 0, 0],
+			"to": [8, 8, 8],
+			"rotation": {"angle": 0, "axis": "y", "origin": [-8, 0, 0]},
+			"faces": {
+				"north": {"uv": [8, 8, 16, 16], "texture": "#side", "cullface": "north"},
+				"west": {"uv": [0, 8, 8, 16], "texture": "#side", "cullface": "west"},
+				"up": {"uv": [0, 0, 8, 8], "texture": "#top"},
+				"down": {"uv": [0, 8, 8, 16], "texture": "#bottom", "cullface": "down"}
+			}
+		},
+		{
+			"from": [8, 0, 0],
+			"to": [16, 8, 8],
+			"rotation": {"angle": 0, "axis": "y", "origin": [8, 0, 0]},
+			"faces": {
+				"north": {"uv": [0, 8, 8, 16], "texture": "#side", "cullface": "north"},
+				"east": {"uv": [8, 8, 16, 16], "texture": "#side", "cullface": "east"},
+				"up": {"uv": [8, 0, 16, 8], "texture": "#top"},
+				"down": {"uv": [8, 8, 16, 16], "texture": "#bottom", "cullface": "down"}
+			}
+		},
+		{
+			"from": [8, 0, 8],
+			"to": [16, 8, 16],
+			"rotation": {"angle": 0, "axis": "y", "origin": [8, 0, 8]},
+			"faces": {
+				"east": {"uv": [0, 8, 8, 16], "texture": "#side", "cullface": "east"},
+				"south": {"uv": [8, 8, 16, 16], "texture": "#side", "cullface": "south"},
+				"up": {"uv": [8, 8, 16, 16], "texture": "#top"},
+				"down": {"uv": [8, 0, 16, 8], "texture": "#bottom", "cullface": "down"}
+			}
+		}
+	],
+	"display": {
+		"thirdperson_lefthand": {
+			"rotation": [75, -135, 0],
+			"translation": [0, 2.5, 0],
+			"scale": [0.375, 0.375, 0.375]
+		},
+		"gui": {
+			"rotation": [30, 135, 0],
+			"scale": [0.625, 0.625, 0.625]
+		},
+		"head": {
+			"rotation": [0, -90, 0]
+		}
+	}
+}

src/main/resources/assets/reframed/models/block/slabs_stair/outer/cube.json

@@ -0,0 +1,36 @@
+{
+	"credit": "Made with Blockbench",
+	"parent": "block/block",
+	"textures": {
+		"particle": "#side"
+	},
+	"elements": [
+		{
+			"from": [8, 8, 8],
+			"to": [16, 16, 16],
+			"rotation": {"angle": 0, "axis": "y", "origin": [0, 8, 0]},
+			"faces": {
+				"north": {"uv": [0, 0, 8, 8], "texture": "#side"},
+				"east": {"uv": [0, 0, 8, 8], "texture": "#side", "cullface": "east"},
+				"south": {"uv": [8, 0, 16, 8], "texture": "#side", "cullface": "south"},
+				"west": {"uv": [8, 0, 16, 8], "texture": "#side"},
+				"up": {"uv": [8, 8, 16, 16], "texture": "#top", "cullface": "up"},
+				"down": {"uv": [8, 0, 16, 8], "texture": "#bottom"}
+			}
+		}
+	],
+	"display": {
+		"thirdperson_lefthand": {
+			"rotation": [75, -135, 0],
+			"translation": [0, 2.5, 0],
+			"scale": [0.375, 0.375, 0.375]
+		},
+		"gui": {
+			"rotation": [30, 135, 0],
+			"scale": [0.625, 0.625, 0.625]
+		},
+		"head": {
+			"rotation": [0, -90, 0]
+		}
+	}
+}

src/main/resources/assets/reframed/models/block/slabs_stair/outer/side/cube.json

@@ -0,0 +1,36 @@
+{
+	"credit": "Made with Blockbench",
+	"parent": "block/block",
+	"textures": {
+		"particle": "#side"
+	},
+	"elements": [
+		{
+			"from": [0, 0, 8],
+			"to": [8, 8, 16],
+			"rotation": {"angle": 0, "axis": "y", "origin": [-8, 0, 0]},
+			"faces": {
+				"north": {"uv": [8, 8, 16, 16], "texture": "#side"},
+				"east": {"uv": [0, 8, 8, 16], "texture": "#side"},
+				"south": {"uv": [0, 8, 8, 16], "texture": "#side", "cullface": "south"},
+				"west": {"uv": [8, 8, 16, 16], "texture": "#side", "cullface": "west"},
+				"up": {"uv": [0, 8, 8, 16], "texture": "#top"},
+				"down": {"uv": [0, 0, 8, 8], "texture": "#bottom", "cullface": "down"}
+			}
+		}
+	],
+	"display": {
+		"thirdperson_lefthand": {
+			"rotation": [75, -135, 0],
+			"translation": [0, 2.5, 0],
+			"scale": [0.375, 0.375, 0.375]
+		},
+		"gui": {
+			"rotation": [30, 135, 0],
+			"scale": [0.625, 0.625, 0.625]
+		},
+		"head": {
+			"rotation": [0, -90, 0]
+		}
+	}
+}

src/main/resources/assets/reframed/models/block/slabs_stair/outer/side/slab.json

@@ -0,0 +1,56 @@
+{
+	"credit": "Made with Blockbench",
+	"parent": "block/block",
+	"textures": {
+		"particle": "#side"
+	},
+	"elements": [
+		{
+			"from": [8, 0, 8],
+			"to": [16, 8, 16],
+			"faces": {
+				"east": {"uv": [0, 8, 8, 16], "texture": "#side", "cullface": "east"},
+				"south": {"uv": [8, 8, 16, 16], "texture": "#side", "cullface": "south"},
+				"west": {"uv": [8, 8, 16, 16], "texture": "#side"},
+				"down": {"uv": [8, 0, 16, 8], "texture": "#bottom", "cullface": "down"}
+			}
+		},
+		{
+			"from": [8, 8, 8],
+			"to": [16, 16, 16],
+			"rotation": {"angle": 0, "axis": "y", "origin": [0, 8, 0]},
+			"faces": {
+				"east": {"uv": [0, 0, 8, 8], "texture": "#side", "cullface": "east"},
+				"south": {"uv": [8, 0, 16, 8], "texture": "#side", "cullface": "south"},
+				"west": {"uv": [8, 0, 16, 8], "texture": "#side"},
+				"up": {"uv": [8, 8, 16, 16], "texture": "#top", "cullface": "up"}
+			}
+		},
+		{
+			"from": [8, 0, 0],
+			"to": [16, 16, 8],
+			"rotation": {"angle": 0, "axis": "y", "origin": [0, 0, -8]},
+			"faces": {
+				"north": {"uv": [0, 0, 8, 16], "texture": "#side", "cullface": "north"},
+				"east": {"uv": [8, 0, 16, 16], "texture": "#side", "cullface": "east"},
+				"west": {"uv": [0, 0, 8, 16], "texture": "#side"},
+				"up": {"uv": [8, 0, 16, 8], "texture": "#top", "cullface": "up"},
+				"down": {"uv": [8, 8, 16, 16], "texture": "#bottom", "cullface": "down"}
+			}
+		}
+	],
+	"display": {
+		"thirdperson_lefthand": {
+			"rotation": [75, -135, 0],
+			"translation": [0, 2.5, 0],
+			"scale": [0.375, 0.375, 0.375]
+		},
+		"gui": {
+			"rotation": [30, 135, 0],
+			"scale": [0.625, 0.625, 0.625]
+		},
+		"head": {
+			"rotation": [0, -90, 0]
+		}
+	}
+}

src/main/resources/assets/reframed/models/block/slabs_stair/outer/slab.json

@@ -0,0 +1,55 @@
+{
+	"credit": "Made with Blockbench",
+	"parent": "block/block",
+	"textures": {
+		"particle": "#side"
+	},
+	"elements": [
+		{
+			"from": [8, 0, 0],
+			"to": [16, 8, 8],
+			"faces": {
+				"north": {"uv": [0, 8, 8, 16], "texture": "#side", "cullface": "north"},
+				"east": {"uv": [8, 8, 16, 16], "texture": "#side", "cullface": "east"},
+				"up": {"uv": [8, 0, 16, 8], "texture": "#top"},
+				"down": {"uv": [8, 8, 16, 16], "texture": "#bottom", "cullface": "down"}
+			}
+		},
+		{
+			"from": [8, 0, 8],
+			"to": [16, 8, 16],
+			"rotation": {"angle": 0, "axis": "y", "origin": [0, 0, 8]},
+			"faces": {
+				"east": {"uv": [0, 8, 8, 16], "texture": "#side", "cullface": "east"},
+				"south": {"uv": [8, 8, 16, 16], "texture": "#side", "cullface": "south"},
+				"up": {"uv": [8, 8, 16, 16], "texture": "#top"},
+				"down": {"uv": [8, 0, 16, 8], "texture": "#bottom", "cullface": "down"}
+			}
+		},
+		{
+			"from": [0, 0, 0],
+			"to": [8, 8, 16],
+			"faces": {
+				"north": {"uv": [8, 8, 16, 16], "texture": "#side", "cullface": "north"},
+				"south": {"uv": [0, 8, 8, 16], "texture": "#side", "cullface": "south"},
+				"west": {"uv": [0, 8, 16, 16], "texture": "#side", "cullface": "west"},
+				"up": {"uv": [0, 0, 8, 16], "texture": "#top"},
+				"down": {"uv": [0, 0, 8, 16], "texture": "#bottom", "cullface": "down"}
+			}
+		}
+	],
+	"display": {
+		"thirdperson_lefthand": {
+			"rotation": [75, -135, 0],
+			"translation": [0, 2.5, 0],
+			"scale": [0.375, 0.375, 0.375]
+		},
+		"gui": {
+			"rotation": [30, 135, 0],
+			"scale": [0.625, 0.625, 0.625]
+		},
+		"head": {
+			"rotation": [0, -90, 0]
+		}
+	}
+}