diff --git a/common/buildcraft/builders/BlockBuilder.java b/common/buildcraft/builders/BlockBuilder.java
index f567b4b2..98d6f281 100644
--- a/common/buildcraft/builders/BlockBuilder.java
+++ b/common/buildcraft/builders/BlockBuilder.java
@@ -12,6 +12,7 @@ package buildcraft.builders;
 import java.util.ArrayList;
 
 import net.minecraft.src.BlockContainer;
+import net.minecraft.src.CreativeTabs;
 import net.minecraft.src.EntityLiving;
 import net.minecraft.src.EntityPlayer;
 import net.minecraft.src.Item;
@@ -41,6 +42,7 @@ public class BlockBuilder extends BlockContainer {
 		blockTextureTop = 3 * 16 + 6;
 		blockTextureFront = 3 * 16 + 7;
 		setHardness(0.7F);
+		setCreativeTab(CreativeTabs.tabRedstone);
 	}
 
 	@Override
diff --git a/common/buildcraft/builders/gui/ContainerBlueprintLibrary.java b/common/buildcraft/builders/gui/ContainerBlueprintLibrary.java
index 6e58b1dc..a311a77c 100644
--- a/common/buildcraft/builders/gui/ContainerBlueprintLibrary.java
+++ b/common/buildcraft/builders/gui/ContainerBlueprintLibrary.java
@@ -16,6 +16,7 @@ import buildcraft.core.blueprints.BptBase;
 import buildcraft.core.gui.BuildCraftContainer;
 
 import net.minecraft.src.EntityPlayer;
+import net.minecraft.src.ICrafting;
 import net.minecraft.src.IInventory;
 import net.minecraft.src.Slot;
 
@@ -25,6 +26,8 @@ public class ContainerBlueprintLibrary extends BuildCraftContainer {
 
 	protected IInventory playerInventory;
 	protected TileBlueprintLibrary library;
+	
+	private int progressIn, progressOut;
 
 	public ContainerBlueprintLibrary(EntityPlayer player, TileBlueprintLibrary library) {
 		super(library.getSizeInventory());
@@ -48,6 +51,30 @@ public class ContainerBlueprintLibrary extends BuildCraftContainer {
 			addSlotToContainer(new Slot(playerInventory, i1, 8 + i1 * 18, 198));
 	}
 
+	@Override
+	public void updateCraftingResults() {
+		super.updateCraftingResults();
+		for (int i = 0; i < crafters.size(); i++) {
+			ICrafting icrafting = (ICrafting) crafters.get(i);
+			if (progressIn != library.progressIn)
+				icrafting.updateCraftingInventoryInfo(this, 0, library.progressIn);
+			if (progressOut != library.progressOut)
+				icrafting.updateCraftingInventoryInfo(this, 1, library.progressOut);
+		}
+
+		progressIn = library.progressIn;
+		progressOut = library.progressOut;
+	}
+	
+	@Override
+	public void updateProgressBar(int i, int j) {
+		if (i == 0)
+			library.progressIn = j;
+		else if(i == 1)
+			library.progressOut = j;
+	}
+
+
 	@Override
 	public boolean canInteractWith(EntityPlayer entityplayer) {
 		return library.isUseableByPlayer(entityplayer);