diff --git a/src/main/java/mcjty/xnet/blocks/cables/ConnectorBlock.java b/src/main/java/mcjty/xnet/blocks/cables/ConnectorBlock.java
index 8144b7c0..3c3bdddb 100644
--- a/src/main/java/mcjty/xnet/blocks/cables/ConnectorBlock.java
+++ b/src/main/java/mcjty/xnet/blocks/cables/ConnectorBlock.java
@@ -25,6 +25,7 @@
 import net.minecraft.block.Block;
 import net.minecraft.block.ITileEntityProvider;
 import net.minecraft.block.material.Material;
+import net.minecraft.block.state.BlockFaceShape;
 import net.minecraft.block.state.IBlockState;
 import net.minecraft.client.renderer.block.model.ModelResourceLocation;
 import net.minecraft.client.renderer.block.statemap.StateMapperBase;
@@ -369,6 +370,22 @@ public boolean shouldSideBeRendered(IBlockState blockState, IBlockAccess blockAc
         }
     }
 
+    @Override
+    public BlockFaceShape getBlockFaceShape(IBlockAccess worldIn, IBlockState state, BlockPos pos, EnumFacing face) {
+        IBlockState mimicBlock = getMimicBlock(worldIn, pos);
+        if (mimicBlock != null) {
+            return mimicBlock.getBlockFaceShape(worldIn, pos, face);
+        }
+
+        ConnectorType connectorType = getConnectorType(state.getValue(COLOR), worldIn, pos, face);
+        if (connectorType == ConnectorType.CABLE) {
+            return BlockFaceShape.CENTER_SMALL;
+        } else if (connectorType == ConnectorType.BLOCK) {
+            return BlockFaceShape.CENTER_BIG;
+        }
+        return BlockFaceShape.UNDEFINED;
+    }
+
     @Override
     @SideOnly(Side.CLIENT)
     public boolean canRenderInLayer(IBlockState state, BlockRenderLayer layer) {
diff --git a/src/main/java/mcjty/xnet/blocks/cables/NetCableBlock.java b/src/main/java/mcjty/xnet/blocks/cables/NetCableBlock.java
index 36de8446..84c4dec0 100644
--- a/src/main/java/mcjty/xnet/blocks/cables/NetCableBlock.java
+++ b/src/main/java/mcjty/xnet/blocks/cables/NetCableBlock.java
@@ -5,6 +5,7 @@
 import mcjty.xnet.blocks.generic.GenericCableBlock;
 import net.minecraft.block.Block;
 import net.minecraft.block.material.Material;
+import net.minecraft.block.state.BlockFaceShape;
 import net.minecraft.block.state.IBlockState;
 import net.minecraft.client.renderer.block.model.ModelResourceLocation;
 import net.minecraft.client.renderer.block.statemap.StateMapperBase;
@@ -80,4 +81,11 @@ protected ConnectorType getConnectorType(@Nonnull CableColor color, IBlockAccess
         }
     }
 
+    @Override
+    public BlockFaceShape getBlockFaceShape(IBlockAccess worldIn, IBlockState state, BlockPos pos, EnumFacing face) {
+        if (getConnectorType(state.getValue(COLOR), worldIn, pos, face) == ConnectorType.CABLE) {
+            return BlockFaceShape.CENTER_SMALL;
+        }
+        return BlockFaceShape.UNDEFINED;
+    }
 }
diff --git a/src/main/java/mcjty/xnet/blocks/facade/FacadeBlock.java b/src/main/java/mcjty/xnet/blocks/facade/FacadeBlock.java
index c2aa9d06..9a5aafbe 100644
--- a/src/main/java/mcjty/xnet/blocks/facade/FacadeBlock.java
+++ b/src/main/java/mcjty/xnet/blocks/facade/FacadeBlock.java
@@ -7,6 +7,7 @@
 import mcjty.xnet.init.ModBlocks;
 import net.minecraft.block.ITileEntityProvider;
 import net.minecraft.block.material.Material;
+import net.minecraft.block.state.BlockFaceShape;
 import net.minecraft.block.state.IBlockState;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.renderer.block.model.ModelResourceLocation;
@@ -150,6 +151,14 @@ public boolean shouldSideBeRendered(IBlockState blockState, IBlockAccess blockAc
     }
 
     @Override
+    public BlockFaceShape getBlockFaceShape(IBlockAccess worldIn, IBlockState state, BlockPos pos, EnumFacing face) {
+        IBlockState mimicBlock = getMimicBlock(worldIn, pos);
+        if (mimicBlock != null) {
+            return mimicBlock.getBlockFaceShape(worldIn, pos, face);
+        }
+        return super.getBlockFaceShape(worldIn, state, pos, face);
+    }
+
     @SideOnly(Side.CLIENT)
     public boolean canRenderInLayer(IBlockState state, BlockRenderLayer layer) {
         return true; // delegated to FacadeBakedModel#getQuads