diff --git a/src/main/java/refinedstorage/item/ItemPattern.java b/src/main/java/refinedstorage/item/ItemPattern.java
index 44386b296..1a0a5108e 100755
--- a/src/main/java/refinedstorage/item/ItemPattern.java
+++ b/src/main/java/refinedstorage/item/ItemPattern.java
@@ -6,11 +6,13 @@ import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.nbt.NBTTagList;
 import net.minecraftforge.common.util.Constants;
 
+import java.util.Collections;
 import java.util.List;
 
 public class ItemPattern extends ItemBase {
     public static final String NBT_INPUTS = "Inputs";
     public static final String NBT_OUTPUTS = "Outputs";
+    public static final String NBT_BYPRODUCTS = "Byproducts";
     public static final String NBT_PROCESSING = "Processing";
 
     public ItemPattern() {
@@ -44,6 +46,10 @@ public class ItemPattern extends ItemBase {
         add(pattern, stack, NBT_OUTPUTS);
     }
 
+    public static void addByproduct(ItemStack pattern, ItemStack stack) {
+        add(pattern, stack, NBT_BYPRODUCTS);
+    }
+
     private static void add(ItemStack pattern, ItemStack stack, String type) {
         if (pattern.getTagCompound() == null) {
             pattern.setTagCompound(new NBTTagCompound());
@@ -64,6 +70,10 @@ public class ItemPattern extends ItemBase {
         return get(pattern, NBT_OUTPUTS);
     }
 
+    public static ItemStack[] getByproducts(ItemStack pattern) {
+        return get(pattern, NBT_BYPRODUCTS);
+    }
+
     private static ItemStack[] get(ItemStack pattern, String type) {
         if (!pattern.hasTagCompound() || !pattern.getTagCompound().hasKey(type)) {
             return null;
diff --git a/src/main/java/refinedstorage/proxy/CommonProxy.java b/src/main/java/refinedstorage/proxy/CommonProxy.java
index 383f1817f..361e98aeb 100755
--- a/src/main/java/refinedstorage/proxy/CommonProxy.java
+++ b/src/main/java/refinedstorage/proxy/CommonProxy.java
@@ -3,8 +3,11 @@ package refinedstorage.proxy;
 import net.minecraft.block.Block;
 import net.minecraft.init.Blocks;
 import net.minecraft.init.Items;
+import net.minecraft.inventory.InventoryCrafting;
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
+import net.minecraft.item.crafting.IRecipe;
+import net.minecraft.world.World;
 import net.minecraftforge.fml.common.event.FMLInitializationEvent;
 import net.minecraftforge.fml.common.event.FMLPostInitializationEvent;
 import net.minecraftforge.fml.common.event.FMLPreInitializationEvent;
@@ -31,6 +34,8 @@ import refinedstorage.tile.controller.TileController;
 import refinedstorage.tile.grid.TileGrid;
 import refinedstorage.tile.solderer.*;
 
+import javax.annotation.Nullable;
+
 import static refinedstorage.RefinedStorage.ID;
 
 public class CommonProxy {
diff --git a/src/main/java/refinedstorage/tile/autocrafting/CraftingPattern.java b/src/main/java/refinedstorage/tile/autocrafting/CraftingPattern.java
index d5ea08b3e..c338df720 100755
--- a/src/main/java/refinedstorage/tile/autocrafting/CraftingPattern.java
+++ b/src/main/java/refinedstorage/tile/autocrafting/CraftingPattern.java
@@ -21,14 +21,16 @@ public class CraftingPattern {
     private boolean processing;
     private ItemStack[] inputs;
     private ItemStack[] outputs;
+    private ItemStack[] byproducts;
 
-    public CraftingPattern(int crafterX, int crafterY, int crafterZ, boolean processing, ItemStack[] inputs, ItemStack[] outputs) {
+    public CraftingPattern(int crafterX, int crafterY, int crafterZ, boolean processing, ItemStack[] inputs, ItemStack[] outputs, ItemStack[] byproducts) {
         this.crafterX = crafterX;
         this.crafterY = crafterY;
         this.crafterZ = crafterZ;
         this.processing = processing;
         this.inputs = inputs;
         this.outputs = outputs;
+        this.byproducts = byproducts;
     }
 
     public TileCrafter getCrafter(World world) {
@@ -51,6 +53,10 @@ public class CraftingPattern {
         return outputs;
     }
 
+    public ItemStack[] getByproducts() {
+        return byproducts;
+    }
+
     public void writeToNBT(NBTTagCompound tag) {
         tag.setBoolean(ItemPattern.NBT_PROCESSING, processing);
 
@@ -66,6 +72,14 @@ public class CraftingPattern {
         }
         tag.setTag(ItemPattern.NBT_OUTPUTS, outputsTag);
 
+        if (byproducts != null) {
+            NBTTagList byproductsTag = new NBTTagList();
+            for (ItemStack byproduct : byproducts) {
+                byproductsTag.appendTag(byproduct.serializeNBT());
+            }
+            tag.setTag(ItemPattern.NBT_BYPRODUCTS, byproductsTag);
+        }
+
         tag.setInteger(NBT_CRAFTER_X, crafter.getPos().getX());
         tag.setInteger(NBT_CRAFTER_Y, crafter.getPos().getY());
         tag.setInteger(NBT_CRAFTER_Z, crafter.getPos().getZ());
@@ -100,6 +114,21 @@ public class CraftingPattern {
             }
         }
 
-        return new CraftingPattern(cx, cy, cz, processing, inputs, outputs);
+        ItemStack byproducts[] = new ItemStack[0];
+
+        if (tag.hasKey(ItemPattern.NBT_BYPRODUCTS)) {
+            NBTTagList byproductsTag = tag.getTagList(ItemPattern.NBT_BYPRODUCTS, Constants.NBT.TAG_COMPOUND);
+            byproducts = new ItemStack[byproductsTag.tagCount()];
+
+            for (int i = 0; i < byproductsTag.tagCount(); ++i) {
+                byproducts[i] = ItemStack.loadItemStackFromNBT(byproductsTag.getCompoundTagAt(i));
+
+                if (byproducts[i] == null) {
+                    return null;
+                }
+            }
+        }
+
+        return new CraftingPattern(cx, cy, cz, processing, inputs, outputs, byproducts);
     }
 }
diff --git a/src/main/java/refinedstorage/tile/autocrafting/task/BasicCraftingTask.java b/src/main/java/refinedstorage/tile/autocrafting/task/BasicCraftingTask.java
index dabe89365..0898c6314 100755
--- a/src/main/java/refinedstorage/tile/autocrafting/task/BasicCraftingTask.java
+++ b/src/main/java/refinedstorage/tile/autocrafting/task/BasicCraftingTask.java
@@ -94,6 +94,12 @@ public class BasicCraftingTask implements ICraftingTask {
         for (ItemStack output : pattern.getOutputs()) {
             controller.push(output);
         }
+
+        if (pattern.getByproducts() != null) {
+            for (ItemStack byproduct : pattern.getByproducts()) {
+                controller.push(byproduct);
+            }
+        }
     }
 
     @Override
diff --git a/src/main/java/refinedstorage/tile/controller/TileController.java b/src/main/java/refinedstorage/tile/controller/TileController.java
index 5a1f59c66..c4fbc2da9 100755
--- a/src/main/java/refinedstorage/tile/controller/TileController.java
+++ b/src/main/java/refinedstorage/tile/controller/TileController.java
@@ -279,7 +279,7 @@ public class TileController extends TileBase implements IEnergyReceiver, ISynchr
                     ItemStack pattern = crafter.getPatterns().getStackInSlot(i);
 
                     if (pattern != null && ItemPattern.isValid(pattern)) {
-                        patterns.add(new CraftingPattern(crafter.getPos().getX(), crafter.getPos().getY(), crafter.getPos().getZ(), ItemPattern.isProcessing(pattern), ItemPattern.getInputs(pattern), ItemPattern.getOutputs(pattern)));
+                        patterns.add(new CraftingPattern(crafter.getPos().getX(), crafter.getPos().getY(), crafter.getPos().getZ(), ItemPattern.isProcessing(pattern), ItemPattern.getInputs(pattern), ItemPattern.getOutputs(pattern), ItemPattern.getByproducts(pattern)));
                     }
                 }
             }
diff --git a/src/main/java/refinedstorage/tile/grid/TileGrid.java b/src/main/java/refinedstorage/tile/grid/TileGrid.java
index 98e23f32b..d7df3d6de 100755
--- a/src/main/java/refinedstorage/tile/grid/TileGrid.java
+++ b/src/main/java/refinedstorage/tile/grid/TileGrid.java
@@ -200,6 +200,12 @@ public class TileGrid extends TileMachine implements IGrid {
 
             ItemStack pattern = new ItemStack(RefinedStorageItems.PATTERN);
 
+            for (ItemStack byproduct : CraftingManager.getInstance().getRemainingItems(matrix, worldObj)) {
+                if (byproduct != null) {
+                    ItemPattern.addByproduct(pattern, byproduct);
+                }
+            }
+
             ItemPattern.addOutput(pattern, result.getStackInSlot(0));
 
             ItemPattern.setProcessing(pattern, false);