diff --git a/src/main/java/refinedstorage/block/BlockExporter.java b/src/main/java/refinedstorage/block/BlockExporter.java
index acd749c57..9e7dd9bcc 100755
--- a/src/main/java/refinedstorage/block/BlockExporter.java
+++ b/src/main/java/refinedstorage/block/BlockExporter.java
@@ -6,17 +6,80 @@ import net.minecraft.item.ItemStack;
 import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.EnumFacing;
 import net.minecraft.util.EnumHand;
+import net.minecraft.util.math.AxisAlignedBB;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.World;
 import refinedstorage.RefinedStorage;
 import refinedstorage.RefinedStorageGui;
 import refinedstorage.tile.TileExporter;
 
+import java.util.ArrayList;
+import java.util.List;
+
 public class BlockExporter extends BlockCable {
+    public static final AxisAlignedBB LINE_NORTH_1_AABB = createAABB(6, 6, 0, 10, 10, 2);
+    public static final AxisAlignedBB LINE_NORTH_2_AABB = createAABB(5, 5, 2, 11, 11, 4);
+    public static final AxisAlignedBB LINE_NORTH_3_AABB = createAABB(3, 3, 4, 13, 13, 6);
+    public static final AxisAlignedBB LINE_EAST_1_AABB = createAABB(14, 6, 6, 16, 10, 10);
+    public static final AxisAlignedBB LINE_EAST_2_AABB = createAABB(12, 5, 5, 14, 11, 11);
+    public static final AxisAlignedBB LINE_EAST_3_AABB = createAABB(10, 3, 3, 12, 13, 13);
+    public static final AxisAlignedBB LINE_SOUTH_1_AABB = createAABB(6, 6, 14, 10, 10, 16);
+    public static final AxisAlignedBB LINE_SOUTH_2_AABB = createAABB(5, 5, 12, 11, 11, 14);
+    public static final AxisAlignedBB LINE_SOUTH_3_AABB = createAABB(3, 3, 10, 13, 13, 12);
+    public static final AxisAlignedBB LINE_WEST_1_AABB = createAABB(0, 6, 6, 2, 10, 10);
+    public static final AxisAlignedBB LINE_WEST_2_AABB = createAABB(2, 5, 5, 4, 11, 11);
+    public static final AxisAlignedBB LINE_WEST_3_AABB = createAABB(4, 3, 3, 6, 13, 13);
+    public static final AxisAlignedBB LINE_UP_1_AABB = createAABB(6, 14, 6, 10, 16, 10);
+    public static final AxisAlignedBB LINE_UP_2_AABB = createAABB(5, 12, 5, 11, 14, 11);
+    public static final AxisAlignedBB LINE_UP_3_AABB = createAABB(3, 10, 3, 13, 12, 13);
+    public static final AxisAlignedBB LINE_DOWN_1_AABB = createAABB(6, 0, 6, 10, 2, 10);
+    public static final AxisAlignedBB LINE_DOWN_2_AABB = createAABB(5, 2, 5, 11, 4, 11);
+    public static final AxisAlignedBB LINE_DOWN_3_AABB = createAABB(3, 4, 3, 13, 6, 13);
+
     public BlockExporter() {
         super("exporter");
     }
 
+    @Override
+    public List<AxisAlignedBB> getNonUnionizedCollisionBoxes(IBlockState state) {
+        List<AxisAlignedBB> boxes = new ArrayList<>();
+
+        switch (state.getValue(DIRECTION)) {
+            case NORTH:
+                boxes.add(LINE_NORTH_1_AABB);
+                boxes.add(LINE_NORTH_2_AABB);
+                boxes.add(LINE_NORTH_3_AABB);
+                break;
+            case EAST:
+                boxes.add(LINE_EAST_1_AABB);
+                boxes.add(LINE_EAST_2_AABB);
+                boxes.add(LINE_EAST_3_AABB);
+                break;
+            case SOUTH:
+                boxes.add(LINE_SOUTH_1_AABB);
+                boxes.add(LINE_SOUTH_2_AABB);
+                boxes.add(LINE_SOUTH_3_AABB);
+                break;
+            case WEST:
+                boxes.add(LINE_WEST_1_AABB);
+                boxes.add(LINE_WEST_2_AABB);
+                boxes.add(LINE_WEST_3_AABB);
+                break;
+            case UP:
+                boxes.add(LINE_UP_1_AABB);
+                boxes.add(LINE_UP_2_AABB);
+                boxes.add(LINE_UP_3_AABB);
+                break;
+            case DOWN:
+                boxes.add(LINE_DOWN_1_AABB);
+                boxes.add(LINE_DOWN_2_AABB);
+                boxes.add(LINE_DOWN_3_AABB);
+                break;
+        }
+
+        return boxes;
+    }
+
     @Override
     public TileEntity createTileEntity(World world, IBlockState state) {
         return new TileExporter();
diff --git a/src/main/java/refinedstorage/block/BlockImporter.java b/src/main/java/refinedstorage/block/BlockImporter.java
index bcb082e9f..d39e74d01 100755
--- a/src/main/java/refinedstorage/block/BlockImporter.java
+++ b/src/main/java/refinedstorage/block/BlockImporter.java
@@ -6,17 +6,80 @@ import net.minecraft.item.ItemStack;
 import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.EnumFacing;
 import net.minecraft.util.EnumHand;
+import net.minecraft.util.math.AxisAlignedBB;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.World;
 import refinedstorage.RefinedStorage;
 import refinedstorage.RefinedStorageGui;
 import refinedstorage.tile.TileImporter;
 
+import java.util.ArrayList;
+import java.util.List;
+
 public class BlockImporter extends BlockCable {
+    public static final AxisAlignedBB LINE_NORTH_1_AABB = createAABB(6, 6, 4, 10, 10, 6);
+    public static final AxisAlignedBB LINE_NORTH_2_AABB = createAABB(5, 5, 2, 11, 11, 4);
+    public static final AxisAlignedBB LINE_NORTH_3_AABB = createAABB(3, 3, 0, 13, 13, 2);
+    public static final AxisAlignedBB LINE_EAST_1_AABB = createAABB(10, 6, 6, 12, 10, 10);
+    public static final AxisAlignedBB LINE_EAST_2_AABB = createAABB(12, 5, 5, 14, 11, 11);
+    public static final AxisAlignedBB LINE_EAST_3_AABB = createAABB(14, 3, 3, 16, 13, 13);
+    public static final AxisAlignedBB LINE_SOUTH_1_AABB = createAABB(6, 6, 10, 10, 10, 12);
+    public static final AxisAlignedBB LINE_SOUTH_2_AABB = createAABB(5, 5, 12, 11, 11, 14);
+    public static final AxisAlignedBB LINE_SOUTH_3_AABB = createAABB(3, 3, 14, 13, 13, 16);
+    public static final AxisAlignedBB LINE_WEST_1_AABB = createAABB(4, 6, 6, 6, 10, 10);
+    public static final AxisAlignedBB LINE_WEST_2_AABB = createAABB(2, 5, 5, 4, 11, 11);
+    public static final AxisAlignedBB LINE_WEST_3_AABB = createAABB(0, 3, 3, 2, 13, 13);
+    public static final AxisAlignedBB LINE_UP_1_AABB = createAABB(6, 10, 6, 10, 12, 10);
+    public static final AxisAlignedBB LINE_UP_2_AABB = createAABB(5, 12, 5, 11, 14, 11);
+    public static final AxisAlignedBB LINE_UP_3_AABB = createAABB(3, 14, 3, 13, 16, 13);
+    public static final AxisAlignedBB LINE_DOWN_1_AABB = createAABB(6, 4, 6, 10, 6, 10);
+    public static final AxisAlignedBB LINE_DOWN_2_AABB = createAABB(5, 2, 5, 11, 4, 11);
+    public static final AxisAlignedBB LINE_DOWN_3_AABB = createAABB(3, 0, 3, 13, 2, 13);
+
     public BlockImporter() {
         super("importer");
     }
 
+    @Override
+    public List<AxisAlignedBB> getNonUnionizedCollisionBoxes(IBlockState state) {
+        List<AxisAlignedBB> boxes = new ArrayList<>();
+
+        switch (state.getValue(DIRECTION)) {
+            case NORTH:
+                boxes.add(LINE_NORTH_1_AABB);
+                boxes.add(LINE_NORTH_2_AABB);
+                boxes.add(LINE_NORTH_3_AABB);
+                break;
+            case EAST:
+                boxes.add(LINE_EAST_1_AABB);
+                boxes.add(LINE_EAST_2_AABB);
+                boxes.add(LINE_EAST_3_AABB);
+                break;
+            case SOUTH:
+                boxes.add(LINE_SOUTH_1_AABB);
+                boxes.add(LINE_SOUTH_2_AABB);
+                boxes.add(LINE_SOUTH_3_AABB);
+                break;
+            case WEST:
+                boxes.add(LINE_WEST_1_AABB);
+                boxes.add(LINE_WEST_2_AABB);
+                boxes.add(LINE_WEST_3_AABB);
+                break;
+            case UP:
+                boxes.add(LINE_UP_1_AABB);
+                boxes.add(LINE_UP_2_AABB);
+                boxes.add(LINE_UP_3_AABB);
+                break;
+            case DOWN:
+                boxes.add(LINE_DOWN_1_AABB);
+                boxes.add(LINE_DOWN_2_AABB);
+                boxes.add(LINE_DOWN_3_AABB);
+                break;
+        }
+
+        return boxes;
+    }
+
     @Override
     public TileEntity createTileEntity(World world, IBlockState state) {
         return new TileImporter();