diff --git a/build.gradle b/build.gradle
index 3eb7a3829..97bba5647 100644
--- a/build.gradle
+++ b/build.gradle
@@ -119,27 +119,27 @@ repositories {
 
     ivy {
         name 'CoFHLib'
-        artifactPattern "http://addons.cursecdn.com/files/${config.cofhlib.cf}/[module]-[revision].[ext]"
+        artifactPattern "http://addons-origin.cursecdn.com/files/${config.cofhlib.cf}/[module]-[revision].[ext]"
     }
     ivy {
         name 'MineFactoryReloaded'
-        artifactPattern "http://addons.cursecdn.com/files/${config.mfr.cf}/[module]-[revision].[ext]"
+        artifactPattern "http://addons-origin.cursecdn.com/files/${config.mfr.cf}/[module]-[revision].[ext]"
     }
     ivy {
         name 'ComputerCraft'
-        artifactPattern "http://addons.cursecdn.com/files/${config.cc.cf}/[module][revision].[ext]"
+        artifactPattern "http://addons-origin.cursecdn.com/files/${config.cc.cf}/[module][revision].[ext]"
     }
     ivy {
         name 'EnderIO'
-        artifactPattern "http://addons.cursecdn.com/files/${config.eio.cf}/[module]-[revision].[ext]"
+        artifactPattern "http://addons-origin.cursecdn.com/files/${config.eio.cf}/[module]-[revision].[ext]"
     }
     ivy {
         name 'Railcraft'
-        artifactPattern "http://addons.cursecdn.com/files/${config.rc.cf}/[module]_[revision].[ext]"
+        artifactPattern "http://addons-origin.cursecdn.com/files/${config.rc.cf}/[module]_[revision].[ext]"
     }
     ivy {
         name 'BloodMagic'
-        artifactPattern "http://addons.cursecdn.com/files/${config.bloodmagic.cf}/[module]-${config.minecraft.version}-[revision].[ext]"
+        artifactPattern "http://addons-origin.cursecdn.com/files/${config.bloodmagic.cf}/[module]-${config.minecraft.version}-[revision].[ext]"
     }
     */
 }
@@ -156,7 +156,7 @@ dependencies {
     provided "codechicken:NotEnoughItems:${config.minecraft.version}-${config.nei.version}:dev"
     provided "mcp.mobius.waila:Waila:${config.waila.version}:dev"
 /*
-    provided "api:rotarycraft:${config.rotc.version}"
+    provided "appeng:RotaryCraft:${config.rotc.version}:api"
     provided "appeng:appliedenergistics2:${config.ae2.version}:dev"
     provided "codechicken:EnderStorage:${config.minecraft.version}-${config.es.version}:dev"
     provided "codechicken:ForgeMultipart:${config.minecraft.version}-${config.fmp.version}:dev"
diff --git a/build.properties b/build.properties
index 0e20064f6..0ceb23bef 100644
--- a/build.properties
+++ b/build.properties
@@ -1,19 +1,19 @@
 minecraft.version=1.8
-forge.version=11.14.1.1329
+forge.version=11.14.1.1341
 
 oc.version=1.5.4
 oc.subversion=dev
 
-ae2.version=rv1-stable-1
-bc.version=6.2.6
+ae2.version=rv2-beta-22
+bc.version=6.4.5
 bloodmagic.cf=2223/203
 bloodmagic.version=1.3.0a-1
 cc.cf=2216/236
 cc.version=1.65
 ccc.version=1.0.5.34
 ccl.version=1.1.2.115
-cofhlib.cf=2218/257
-cofhlib.version=[1.7.10]1.0.0B7-dev-29
+cofhlib.cf=2230/207
+cofhlib.version=[1.7.10]1.0.0RC7-127
 eio.cf=2219/296
 eio.version=1.7.10-2.2.1.276
 es.version=1.4.5.24
@@ -25,14 +25,14 @@ gt.version=5.04.06
 ic2.version=2.2.654-experimental
 mekanism.build=5
 mekanism.version=7.1.2
-mfr.cf=2213/46
-mfr.version=[1.7.10]2.8.0RC3-dev-591
+mfr.cf=2229/626
+mfr.version=[1.7.10]2.8.0RC8-86
 nei.version=1.0.5.82
 projred.version=4.5.8.59
 rc.cf=2219/321
 rc.version=1.7.10-9.4.0.0
 redlogic.version=59.0.3
-rotc.version=1
+rotc.version=V5c
 tmech.version=75.0afb56c
 re.version=3.0.0.342
 waila.version=1.6.0_B1_1.8.1
diff --git a/src/main/resources/application.conf b/src/main/resources/application.conf
index e92ac11e8..20c4c98d9 100644
--- a/src/main/resources/application.conf
+++ b/src/main/resources/application.conf
@@ -1035,6 +1035,12 @@ opencomputers {
       # this many shapes *per state* (the reasoning being that only one state
       # will ever be visible at a time).
       maxPrinterShapes: 24
+
+      # How much of the material used to print a model is refunded when using
+      # the model to refuel a printer. This the value the original material
+      # cost is multiplied with, so 1 is a full refund, 0 disables the
+      # functionality (won't be able to put prints into the material input).
+      printRecycleRate: 0.75
   }
 
   # Settings for mod integration (the mod previously known as OpenComponents).
diff --git a/src/main/scala/li/cil/oc/Settings.scala b/src/main/scala/li/cil/oc/Settings.scala
index c517f4768..79a4a2f59 100644
--- a/src/main/scala/li/cil/oc/Settings.scala
+++ b/src/main/scala/li/cil/oc/Settings.scala
@@ -295,6 +295,7 @@ class Settings(val config: Config) {
   val assemblerBlacklist = config.getStringList("misc.assemblerBlacklist")
   val threadPriority = config.getInt("misc.threadPriority")
   val maxPrintComplexity = config.getInt("misc.maxPrinterShapes")
+  val printRecycleRate = config.getDouble("misc.printRecycleRate")
 
   // ----------------------------------------------------------------------- //
   // integration
diff --git a/src/main/scala/li/cil/oc/common/tileentity/Printer.scala b/src/main/scala/li/cil/oc/common/tileentity/Printer.scala
index 5bf39d28e..375939af6 100644
--- a/src/main/scala/li/cil/oc/common/tileentity/Printer.scala
+++ b/src/main/scala/li/cil/oc/common/tileentity/Printer.scala
@@ -188,10 +188,36 @@ class Printer extends traits.Environment with traits.Inventory with traits.Rotat
 
   // ----------------------------------------------------------------------- //
 
-  override def canUpdate = isServer
+  def computeCosts(data: PrintData) = {
+    val totalVolume = data.stateOn.foldLeft(0)((acc, shape) => acc + shape.bounds.volume) + data.stateOff.foldLeft(0)((acc, shape) => acc + shape.bounds.volume)
+    val totalSurface = data.stateOn.foldLeft(0)((acc, shape) => acc + shape.bounds.surface) + data.stateOff.foldLeft(0)((acc, shape) => acc + shape.bounds.surface)
+
+    if (totalVolume > 0) {
+      val materialRequired = (totalVolume / 2) max 1
+      val inkRequired = (totalSurface / 6) max 1
+
+      Option((materialRequired, inkRequired))
+    }
+    else None
+  }
+
+  def materialValue(stack: ItemStack) = {
+    if (api.Items.get(stack) == api.Items.get("chamelium"))
+      materialPerItem
+    else if (api.Items.get(stack) == api.Items.get("print")) {
+      val data = new PrintData(stack)
+      computeCosts(data) match {
+        case Some((materialRequired, inkRequired)) => (materialRequired * Settings.get.printRecycleRate).toInt
+        case _ => 0
+      }
+    }
+    else 0
+  }
 
   // ----------------------------------------------------------------------- //
 
+  override def canUpdate = isServer
+
   override def updateEntity() {
     super.updateEntity()
 
@@ -202,28 +228,22 @@ class Printer extends traits.Environment with traits.Inventory with traits.Rotat
     }
 
     if (isActive && output.isEmpty && canMergeOutput) {
-      val totalVolume = data.stateOn.foldLeft(0)((acc, shape) => acc + shape.bounds.volume) + data.stateOff.foldLeft(0)((acc, shape) => acc + shape.bounds.volume)
-      val totalSurface = data.stateOn.foldLeft(0)((acc, shape) => acc + shape.bounds.surface) + data.stateOff.foldLeft(0)((acc, shape) => acc + shape.bounds.surface)
+      computeCosts(data) match {
+        case Some((materialRequired, inkRequired)) =>
+          totalRequiredEnergy = Settings.get.printCost
+          requiredEnergy = totalRequiredEnergy
 
-      if (totalVolume == 0) {
-        isActive = false
-        data = new PrintData()
-      }
-      else {
-        val materialRequired = (totalVolume / 2) max 1
-        val inkRequired = (totalSurface / 6) max 1
-
-        totalRequiredEnergy = Settings.get.printCost
-        requiredEnergy = totalRequiredEnergy
-
-        if (amountMaterial >= materialRequired && amountInk >= inkRequired) {
-          amountMaterial -= materialRequired
-          amountInk -= inkRequired
-          limit -= 1
-          output = Option(data.createItemStack())
-          if (limit < 1) isActive = false
-          ServerPacketSender.sendPrinting(this, printing = true)
-        }
+          if (amountMaterial >= materialRequired && amountInk >= inkRequired) {
+            amountMaterial -= materialRequired
+            amountInk -= inkRequired
+            limit -= 1
+            output = Option(data.createItemStack())
+            if (limit < 1) isActive = false
+            ServerPacketSender.sendPrinting(this, printing = true)
+          }
+        case _ =>
+          isActive = false
+          data = new PrintData()
       }
     }
 
@@ -249,10 +269,11 @@ class Printer extends traits.Environment with traits.Inventory with traits.Rotat
       ServerPacketSender.sendPrinting(this, have > 0.5 && output.isDefined)
     }
 
-    if (maxAmountMaterial - amountMaterial >= materialPerItem) {
+    val inputValue = materialValue(getStackInSlot(slotMaterial))
+    if (inputValue > 0 && maxAmountMaterial - amountMaterial >= inputValue) {
       val material = decrStackSize(slotMaterial, 1)
       if (material != null) {
-        amountMaterial += materialPerItem
+        amountMaterial += inputValue
       }
     }
 
@@ -310,9 +331,9 @@ class Printer extends traits.Environment with traits.Inventory with traits.Rotat
   override def getInventoryStackLimit = 64
 
   override def isItemValidForSlot(slot: Int, stack: ItemStack) =
-    if (slot == 0)
-      api.Items.get(stack) == api.Items.get("chamelium")
-    else if (slot == 1)
+    if (slot == slotMaterial)
+      materialValue(stack) > 0
+    else if (slot == slotInk)
       api.Items.get(stack) == api.Items.get("inkCartridge")
     else false
 
diff --git a/src/main/scala/li/cil/oc/integration/Mods.scala b/src/main/scala/li/cil/oc/integration/Mods.scala
index 04ccf0c75..c17c5666a 100644
--- a/src/main/scala/li/cil/oc/integration/Mods.scala
+++ b/src/main/scala/li/cil/oc/integration/Mods.scala
@@ -19,7 +19,7 @@ object Mods {
 
   def All = knownMods.clone()
 
-  val AppliedEnergistics2 = new SimpleMod(IDs.AppliedEnergistics2, version = "@[rv1,rv2-beta-19)", providesPower = true)
+  val AppliedEnergistics2 = new SimpleMod(IDs.AppliedEnergistics2, version = "@[rv1,)", providesPower = true)
   val BattleGear2 = new SimpleMod(IDs.BattleGear2)
   val BloodMagic = new SimpleMod(IDs.BloodMagic)
   val BuildCraft = new SimpleMod(IDs.BuildCraft)
diff --git a/src/main/scala/li/cil/oc/integration/appeng/DriverController.scala b/src/main/scala/li/cil/oc/integration/appeng/DriverController.scala
index e6b5bb58c..95908d166 100644
--- a/src/main/scala/li/cil/oc/integration/appeng/DriverController.scala
+++ b/src/main/scala/li/cil/oc/integration/appeng/DriverController.scala
@@ -9,7 +9,6 @@ import appeng.api.networking.security.MachineSource
 import appeng.api.storage.data.IAEItemStack
 import appeng.me.helpers.IGridProxyable
 import appeng.tile.misc.TileInterface
-import appeng.tile.networking.TileController
 import appeng.util.item.AEItemStack
 import com.google.common.collect.ImmutableSet
 import li.cil.oc.OpenComputers
@@ -26,6 +25,7 @@ import li.cil.oc.integration.ManagedTileEntityEnvironment
 import li.cil.oc.util.ExtendedNBT._
 import li.cil.oc.util.ResultWrapper._
 import net.minecraft.block.Block
+import net.minecraft.item.Item
 import net.minecraft.item.ItemStack
 import net.minecraft.nbt.NBTTagCompound
 import net.minecraft.tileentity.TileEntity
@@ -44,10 +44,11 @@ import scala.language.existentials
 object DriverController extends DriverTileEntity with EnvironmentAware {
   private type AETile = TileEntity with IGridProxyable with IActionHost
 
-  def getTileEntityClass = {
+  def getTileEntityClass: Class[_] = {
     if (AEApi.instance != null && AEApi.instance.blocks != null) {
       if (AEApi.instance.blocks.blockController != null && AEApi.instance.blocks.blockController.item != null)
-        classOf[TileController]
+        // Not classOf[TileController] because that derps the compiler when it tries to resolve the class (says can't find API classes from RotaryCraft).
+        Class.forName("appeng.tile.networking.TileController")
       else
         classOf[TileInterface]
     }
@@ -78,10 +79,13 @@ object DriverController extends DriverTileEntity with EnvironmentAware {
         "coprocessors" -> cpu.getCoProcessors,
         "busy" -> cpu.isBusy)))
 
-    @Callback(doc = "function():table -- Get a list of known item recipes. These can be used to issue crafting requests.")
+    @Callback(doc = "function([filter:table]):table -- Get a list of known item recipes. These can be used to issue crafting requests.")
     def getCraftables(context: Context, args: Arguments): Array[AnyRef] = {
+      val filter = args.optTable(0, Map.empty[AnyRef, AnyRef]).collect {
+        case (key: String, value: AnyRef) => (key, value)
+      }
       result(tileEntity.getProxy.getStorage.getItemInventory.getStorageList.
-        filter(_.isCraftable).map(stack => {
+        filter(_.isCraftable).filter(stack => matches(stack, filter)).map(stack => {
         val patterns = tileEntity.getProxy.getCrafting.getCraftingFor(stack, null, 0, tileEntity.getWorldObj)
         val result = patterns.find(pattern => pattern.getOutputs.exists(_.isSameType(stack))) match {
           case Some(pattern) => pattern.getOutputs.find(_.isSameType(stack)).get
@@ -91,9 +95,13 @@ object DriverController extends DriverTileEntity with EnvironmentAware {
       }).toArray)
     }
 
-    @Callback(doc = "function():table -- Get a list of the stored items in the network.")
-    def getItemsInNetwork(context: Context, args: Arguments): Array[AnyRef] =
-      result(tileEntity.getProxy.getStorage.getItemInventory.getStorageList.map(_.getItemStack).toArray)
+    @Callback(doc = "function([filter:table]):table -- Get a list of the stored items in the network.")
+    def getItemsInNetwork(context: Context, args: Arguments): Array[AnyRef] = {
+      val filter = args.optTable(0, Map.empty[AnyRef, AnyRef]).collect {
+        case (key: String, value: AnyRef) => (key, value)
+      }
+      result(tileEntity.getProxy.getStorage.getItemInventory.getStorageList.filter(stack => matches(stack, filter)).map(_.getItemStack).toArray)
+    }
 
     @Callback(doc = "function():table -- Get a list of the stored fluids in the network.")
     def getFluidsInNetwork(context: Context, args: Arguments): Array[AnyRef] =
@@ -118,6 +126,17 @@ object DriverController extends DriverTileEntity with EnvironmentAware {
     @Callback(doc = "function():number -- Get the stored power in the network. ")
     def getStoredPower(context: Context, args: Arguments): Array[AnyRef] =
       result(tileEntity.getProxy.getEnergy.getStoredPower)
+
+    private def matches(stack: IAEItemStack, filter: scala.collection.mutable.Map[String, AnyRef]) = {
+      stack != null &&
+        filter.get("damage").forall(_.equals(stack.getItemDamage.toDouble)) &&
+        filter.get("maxDamage").forall(_.equals(stack.getItemStack.getMaxDamage.toDouble)) &&
+        filter.get("size").forall(_.equals(stack.getStackSize.toDouble)) &&
+        filter.get("maxSize").forall(_.equals(stack.getItemStack.getMaxStackSize.toDouble)) &&
+        filter.get("hasTag").forall(_.equals(stack.hasTagCompound)) &&
+        filter.get("name").forall(_.equals(Item.itemRegistry.getNameForObject(stack.getItem))) &&
+        filter.get("label").forall(_.equals(stack.getItemStack.getDisplayName))
+    }
   }
 
   class Craftable(var controller: AETile, var stack: IAEItemStack) extends AbstractValue with ICraftingRequester {
diff --git a/src/main/scala/li/cil/oc/server/component/UpgradeSign.scala b/src/main/scala/li/cil/oc/server/component/UpgradeSign.scala
index 62ad895f4..8b2920d7b 100644
--- a/src/main/scala/li/cil/oc/server/component/UpgradeSign.scala
+++ b/src/main/scala/li/cil/oc/server/component/UpgradeSign.scala
@@ -1,12 +1,16 @@
 package li.cil.oc.server.component
 
 import li.cil.oc.Settings
+import li.cil.oc.api
 import li.cil.oc.api.driver.EnvironmentHost
 import li.cil.oc.api.internal
+import li.cil.oc.api.network.Message
 import li.cil.oc.api.prefab
 import li.cil.oc.util.BlockPosition
 import li.cil.oc.util.ExtendedWorld._
 import net.minecraft.entity.player.EntityPlayer
+import net.minecraft.item.ItemStack
+import net.minecraft.nbt.NBTTagCompound
 import net.minecraft.tileentity.TileEntitySign
 import net.minecraft.util.ChatComponentText
 import net.minecraft.util.EnumFacing
@@ -63,4 +67,20 @@ abstract class UpgradeSign extends prefab.ManagedEnvironment {
     MinecraftForge.EVENT_BUS.post(event)
     !(event.isCanceled || event.getResult == Event.Result.DENY)
   }
+
+  override def onMessage(message: Message): Unit = {
+    super.onMessage(message)
+    if (message.name == "tablet.use") message.source.host match {
+      case machine: api.machine.Machine => (machine.host, message.data) match {
+        case (tablet: internal.Tablet, Array(nbt: NBTTagCompound, stack: ItemStack, player: EntityPlayer, blockPos: BlockPosition, side: EnumFacing, hitX: java.lang.Float, hitY: java.lang.Float, hitZ: java.lang.Float)) =>
+          host.world.getTileEntity(blockPos) match {
+            case sign: TileEntitySign =>
+              nbt.setString("signText", sign.signText.mkString("\n"))
+            case _ =>
+          }
+        case _ => // Ignore.
+      }
+      case _ => // Ignore.
+    }
+  }
 }