diff --git a/src/main/resources/assets/opencomputers/textures/gui/bar.png b/src/main/resources/assets/opencomputers/textures/gui/bar.png
new file mode 100644
index 000000000..fac816754
Binary files /dev/null and b/src/main/resources/assets/opencomputers/textures/gui/bar.png differ
diff --git a/src/main/resources/assets/opencomputers/textures/gui/disassembler.png b/src/main/resources/assets/opencomputers/textures/gui/disassembler.png
index 24cc4cccc..e1870e211 100644
Binary files a/src/main/resources/assets/opencomputers/textures/gui/disassembler.png and b/src/main/resources/assets/opencomputers/textures/gui/disassembler.png differ
diff --git a/src/main/resources/assets/opencomputers/textures/gui/robot.png b/src/main/resources/assets/opencomputers/textures/gui/robot.png
index 6d4200f7c..175015ea0 100644
Binary files a/src/main/resources/assets/opencomputers/textures/gui/robot.png and b/src/main/resources/assets/opencomputers/textures/gui/robot.png differ
diff --git a/src/main/resources/assets/opencomputers/textures/gui/robot_assembler.png b/src/main/resources/assets/opencomputers/textures/gui/robot_assembler.png
index 51d082204..308dea6f4 100644
Binary files a/src/main/resources/assets/opencomputers/textures/gui/robot_assembler.png and b/src/main/resources/assets/opencomputers/textures/gui/robot_assembler.png differ
diff --git a/src/main/resources/assets/opencomputers/textures/gui/robot_noscreen.png b/src/main/resources/assets/opencomputers/textures/gui/robot_noscreen.png
index 18a0807ac..f2c80254a 100644
Binary files a/src/main/resources/assets/opencomputers/textures/gui/robot_noscreen.png and b/src/main/resources/assets/opencomputers/textures/gui/robot_noscreen.png differ
diff --git a/src/main/scala/li/cil/oc/client/Textures.scala b/src/main/scala/li/cil/oc/client/Textures.scala
index b717dfbb0..52df95840 100644
--- a/src/main/scala/li/cil/oc/client/Textures.scala
+++ b/src/main/scala/li/cil/oc/client/Textures.scala
@@ -9,6 +9,7 @@ object Textures {
   val fontAliased = new ResourceLocation(Settings.resourceDomain, "textures/font/chars_aliased.png")
 
   val guiBackground = new ResourceLocation(Settings.resourceDomain, "textures/gui/background.png")
+  val guiBar = new ResourceLocation(Settings.resourceDomain, "textures/gui/bar.png")
   val guiBorders = new ResourceLocation(Settings.resourceDomain, "textures/gui/borders.png")
   val guiButtonPower = new ResourceLocation(Settings.resourceDomain, "textures/gui/button_power.png")
   val guiButtonRange = new ResourceLocation(Settings.resourceDomain, "textures/gui/button_range.png")
@@ -75,6 +76,7 @@ object Textures {
     tm.bindTexture(fontAliased)
 
     tm.bindTexture(guiBackground)
+    tm.bindTexture(guiBar)
     tm.bindTexture(guiBorders)
     tm.bindTexture(guiButtonPower)
     tm.bindTexture(guiButtonRange)
diff --git a/src/main/scala/li/cil/oc/client/gui/CustomGuiContainer.scala b/src/main/scala/li/cil/oc/client/gui/CustomGuiContainer.scala
index 0c3751f4a..acdddd7e9 100644
--- a/src/main/scala/li/cil/oc/client/gui/CustomGuiContainer.scala
+++ b/src/main/scala/li/cil/oc/client/gui/CustomGuiContainer.scala
@@ -2,6 +2,7 @@ package li.cil.oc.client.gui
 
 import java.util
 
+import li.cil.oc.client.gui.widget.WidgetContainer
 import net.minecraft.client.gui.FontRenderer
 import net.minecraft.client.gui.inventory.GuiContainer
 import net.minecraft.client.renderer.RenderHelper
@@ -14,7 +15,7 @@ import scala.collection.convert.WrapAsScala._
 // transformations that break things! Such fun. Many annoyed. And yes, this
 // is a common issue, have a look at EnderIO and Enchanting Plus. They have
 // to work around this, too.
-abstract class CustomGuiContainer(container: Container) extends GuiContainer(container) {
+abstract class CustomGuiContainer(container: Container) extends GuiContainer(container) with WidgetContainer {
   // Pretty much Scalaified copy-pasta from base-class.
   override def drawHoveringText(text: util.List[_], x: Int, y: Int, font: FontRenderer) {
     copiedDrawHoveringText(text, x, y, font)
diff --git a/src/main/scala/li/cil/oc/client/gui/Disassembler.scala b/src/main/scala/li/cil/oc/client/gui/Disassembler.scala
index ad85bab36..b64c7140b 100644
--- a/src/main/scala/li/cil/oc/client/gui/Disassembler.scala
+++ b/src/main/scala/li/cil/oc/client/gui/Disassembler.scala
@@ -1,8 +1,8 @@
 package li.cil.oc.client.gui
 
 import li.cil.oc.client.Textures
+import li.cil.oc.client.gui.widget.ProgressBar
 import li.cil.oc.common.{container, tileentity}
-import net.minecraft.client.renderer.Tessellator
 import net.minecraft.entity.player.InventoryPlayer
 import net.minecraft.util.StatCollector
 import org.lwjgl.opengl.GL11
@@ -10,11 +10,7 @@ import org.lwjgl.opengl.GL11
 class Disassembler(playerInventory: InventoryPlayer, val disassembler: tileentity.Disassembler) extends DynamicGuiContainer(new container.Disassembler(playerInventory, disassembler)) {
   private def disassemblerContainer = inventorySlots.asInstanceOf[container.Disassembler]
 
-  private val progressX = 8
-  private val progressY = 65
-
-  private val progressWidth = 160
-  private val progressHeight = 12
+  val progress = addWidget(new ProgressBar(18, 65))
 
   override def drawGuiContainerForegroundLayer(mouseX: Int, mouseY: Int) = {
     fontRendererObj.drawString(
@@ -27,26 +23,7 @@ class Disassembler(playerInventory: InventoryPlayer, val disassembler: tileentit
     super.drawGuiContainerBackgroundLayer(dt, mouseX, mouseY)
     mc.renderEngine.bindTexture(Textures.guiDisassembler)
     drawTexturedModalRect(guiLeft, guiTop, 0, 0, xSize, ySize)
-    drawProgress()
-  }
-
-  private def drawProgress() {
-    val level = disassemblerContainer.disassemblyProgress / 100.0
-
-    val u0 = 0
-    val u1 = progressWidth / 256.0 * level
-    val v0 = 1 - progressHeight / 256.0
-    val v1 = 1
-    val x = guiLeft + progressX
-    val y = guiTop + progressY
-    val w = progressWidth * level
-
-    val t = Tessellator.instance
-    t.startDrawingQuads()
-    t.addVertexWithUV(x, y, zLevel, u0, v0)
-    t.addVertexWithUV(x, y + progressHeight, zLevel, u0, v1)
-    t.addVertexWithUV(x + w, y + progressHeight, zLevel, u1, v1)
-    t.addVertexWithUV(x + w, y, zLevel, u1, v0)
-    t.draw()
+    progress.level = disassemblerContainer.disassemblyProgress / 100.0
+    drawWidgets()
   }
 }
diff --git a/src/main/scala/li/cil/oc/client/gui/Robot.scala b/src/main/scala/li/cil/oc/client/gui/Robot.scala
index 61e7245ac..984c77696 100644
--- a/src/main/scala/li/cil/oc/client/gui/Robot.scala
+++ b/src/main/scala/li/cil/oc/client/gui/Robot.scala
@@ -2,6 +2,7 @@ package li.cil.oc.client.gui
 
 import java.util
 
+import li.cil.oc.client.gui.widget.ProgressBar
 import li.cil.oc.client.renderer.TextBufferRenderCache
 import li.cil.oc.client.renderer.gui.BufferRenderer
 import li.cil.oc.client.{Textures, PacketSender => ClientPacketSender}
@@ -26,13 +27,13 @@ class Robot(playerInventory: InventoryPlayer, val robot: tileentity.Robot) exten
 
   override protected val hasKeyboard = robot.info.components.map(api.Driver.driverFor).contains(driver.item.Keyboard)
 
-  private val withScreenHeight = 242
+  private val withScreenHeight = 256
   private val noScreenHeight = 108
 
   private val deltaY = if (buffer != null) 0 else withScreenHeight - noScreenHeight
 
   xSize = 256
-  ySize = 242 - deltaY
+  ySize = 256 - deltaY
 
   protected var powerButton: ImageButton = _
 
@@ -48,25 +49,23 @@ class Robot(playerInventory: InventoryPlayer, val robot: tileentity.Robot) exten
 
   private val slotSize = 18
 
-  override protected val bufferX = 8
-  override protected val bufferY = 8
-  private val bufferWidth = 242.0
-  private val bufferHeight = 128.0
-  private val bufferMargin = BufferRenderer.innerMargin
+  private val maxBufferWidth = 240.0
+  private val maxBufferHeight = 140.0
+
+  private def bufferWidth = math.min(maxBufferWidth, TextBufferRenderCache.renderer.charRenderWidth * 48.0)
+  private def bufferHeight = math.min(maxBufferHeight, TextBufferRenderCache.renderer.charRenderHeight * 14.0)
+  override protected def bufferX = (8 + (maxBufferWidth - bufferWidth) / 2).toInt
+  override protected def bufferY = (8 + (maxBufferHeight - bufferHeight) / 2).toInt
 
   private val inventoryX = 169
-  private val inventoryY = 141 - deltaY
+  private val inventoryY = 155 - deltaY
 
   private val scrollX = inventoryX + slotSize * 4 + 2
   private val scrollY = inventoryY
   private val scrollWidth = 8
   private val scrollHeight = 94
 
-  private val powerX = 26
-  private val powerY = 142 - deltaY
-
-  private val powerWidth = 140
-  private val powerHeight = 12
+  private val power = addWidget(new ProgressBar(26, 156 - deltaY))
 
   private val selectionSize = 20
   private val selectionsStates = 17
@@ -92,7 +91,7 @@ class Robot(playerInventory: InventoryPlayer, val robot: tileentity.Robot) exten
 
   override def initGui() {
     super.initGui()
-    powerButton = new ImageButton(0, guiLeft + 5, guiTop + 139 - deltaY, 18, 18, Textures.guiButtonPower, canToggle = true)
+    powerButton = new ImageButton(0, guiLeft + 5, guiTop + 153 - deltaY, 18, 18, Textures.guiButtonPower, canToggle = true)
     scrollButton = new ImageButton(1, guiLeft + scrollX + 1, guiTop + scrollY + 1, 6, 13, Textures.guiButtonScroll)
     add(buttonList, powerButton)
     add(buttonList, scrollButton)
@@ -102,9 +101,13 @@ class Robot(playerInventory: InventoryPlayer, val robot: tileentity.Robot) exten
     if (buffer != null) {
       GL11.glTranslatef(bufferX, bufferY, 0)
       RenderState.disableLighting()
+      GL11.glPushMatrix()
+      GL11.glTranslatef(-2, -2, 0)
+      BufferRenderer.drawBackground()
+      GL11.glPopMatrix()
       RenderState.makeItBlend()
-      val scaleX = (bufferWidth - 2) / buffer.renderWidth
-      val scaleY = (bufferHeight - 2) / buffer.renderHeight
+      val scaleX = bufferWidth / buffer.renderWidth
+      val scaleY = bufferHeight / buffer.renderHeight
       val scale = math.min(scaleX, scaleY)
       if (scaleX > scale) {
         GL11.glTranslated(buffer.renderWidth * (scaleX - scale) / 2, 0, 0)
@@ -112,7 +115,7 @@ class Robot(playerInventory: InventoryPlayer, val robot: tileentity.Robot) exten
       else if (scaleY > scale) {
         GL11.glTranslated(0, buffer.renderHeight * (scaleY - scale) / 2, 0)
       }
-      GL11.glScaled(scale, scale, scale)
+//      GL11.glScaled(scale, scale, scale)
       GL11.glScaled(this.scale, this.scale, 1)
       BufferRenderer.drawText(buffer)
     }
@@ -121,7 +124,7 @@ class Robot(playerInventory: InventoryPlayer, val robot: tileentity.Robot) exten
   protected override def drawGuiContainerForegroundLayer(mouseX: Int, mouseY: Int) {
     drawBufferLayer()
     GL11.glPushAttrib(GL11.GL_ALL_ATTRIB_BITS) // Me lazy... prevents NEI render glitch.
-    if (func_146978_c(powerX, powerY, powerWidth, powerHeight, mouseX, mouseY)) {
+    if (func_146978_c(power.x, power.y, power.width, power.height, mouseX, mouseY)) {
       val tooltip = new java.util.ArrayList[String]
       val format = Localization.Robot.Power + ": %d%% (%d/%d)"
       tooltip.add(format.format(
@@ -143,7 +146,8 @@ class Robot(playerInventory: InventoryPlayer, val robot: tileentity.Robot) exten
     if (buffer != null) mc.renderEngine.bindTexture(Textures.guiRobot)
     else mc.renderEngine.bindTexture(Textures.guiRobotNoScreen)
     drawTexturedModalRect(guiLeft, guiTop, 0, 0, xSize, ySize)
-    drawPowerLevel()
+    power.level = robot.globalBuffer / robot.globalBufferSize
+    drawWidgets()
     if (robot.inventorySize > 0) {
       drawSelection()
     }
@@ -260,8 +264,11 @@ class Robot(playerInventory: InventoryPlayer, val robot: tileentity.Robot) exten
   override protected def changeSize(w: Double, h: Double, recompile: Boolean) = {
     val bw = w * TextBufferRenderCache.renderer.charRenderWidth
     val bh = h * TextBufferRenderCache.renderer.charRenderHeight
-    val scaleX = math.min(bufferWidth / (bw + bufferMargin * 2.0), 1)
-    val scaleY = math.min(bufferHeight / (bh + bufferMargin * 2.0), 1)
+    val scaleX = math.min(bufferWidth / bw, 1)
+    val scaleY = math.min(bufferHeight / bh, 1)
+    if (recompile) {
+      BufferRenderer.compileBackground(bufferWidth.toInt, bufferHeight.toInt, forRobot = true)
+    }
     math.min(scaleX, scaleY)
   }
 
@@ -284,24 +291,4 @@ class Robot(playerInventory: InventoryPlayer, val robot: tileentity.Robot) exten
       t.draw()
     }
   }
-
-  private def drawPowerLevel() {
-    val level = robot.globalBuffer / robot.globalBufferSize
-
-    val u0 = 0
-    val u1 = powerWidth / 256.0 * level
-    val v0 = 1 - powerHeight / 256.0
-    val v1 = 1
-    val x = guiLeft + powerX
-    val y = guiTop + powerY
-    val w = powerWidth * level
-
-    val t = Tessellator.instance
-    t.startDrawingQuads()
-    t.addVertexWithUV(x, y, zLevel, u0, v0)
-    t.addVertexWithUV(x, y + powerHeight, zLevel, u0, v1)
-    t.addVertexWithUV(x + w, y + powerHeight, zLevel, u1, v1)
-    t.addVertexWithUV(x + w, y, zLevel, u1, v0)
-    t.draw()
-  }
 }
\ No newline at end of file
diff --git a/src/main/scala/li/cil/oc/client/gui/RobotAssembler.scala b/src/main/scala/li/cil/oc/client/gui/RobotAssembler.scala
index 2da524f15..fc579b1d8 100644
--- a/src/main/scala/li/cil/oc/client/gui/RobotAssembler.scala
+++ b/src/main/scala/li/cil/oc/client/gui/RobotAssembler.scala
@@ -3,11 +3,11 @@ package li.cil.oc.client.gui
 import java.util
 
 import li.cil.oc.api.driver.{Inventory, Memory, Processor, Slot}
+import li.cil.oc.client.gui.widget.ProgressBar
 import li.cil.oc.client.{Textures, PacketSender => ClientPacketSender}
 import li.cil.oc.common.{container, tileentity}
 import li.cil.oc.{Localization, api}
 import net.minecraft.client.gui.GuiButton
-import net.minecraft.client.renderer.Tessellator
 import net.minecraft.entity.player.InventoryPlayer
 import org.lwjgl.opengl.GL11
 
@@ -22,11 +22,7 @@ class RobotAssembler(playerInventory: InventoryPlayer, val assembler: tileentity
 
   protected var runButton: ImageButton = _
 
-  private val progressX = 28
-  private val progressY = 92
-
-  private val progressWidth = 140
-  private val progressHeight = 12
+  private val progress = addWidget(new ProgressBar(28, 92))
 
   val suggestedComponents = Array(
     "Screen" -> (() => hasComponent("screen1")),
@@ -140,7 +136,7 @@ class RobotAssembler(playerInventory: InventoryPlayer, val assembler: tileentity
         drawHoveringText(tooltip, mouseX - guiLeft, mouseY - guiTop, fontRendererObj)
       }
     }
-    else if (func_146978_c(progressX, progressY, progressWidth, progressHeight, mouseX, mouseY)) {
+    else if (func_146978_c(progress.x, progress.y, progress.width, progress.height, mouseX, mouseY)) {
       val tooltip = new java.util.ArrayList[String]
       val timeRemaining = formatTime(assemblerContainer.assemblyRemainingTime)
       tooltip.add(Localization.RobotAssembler.Progress(assemblerContainer.assemblyProgress, timeRemaining))
@@ -160,30 +156,10 @@ class RobotAssembler(playerInventory: InventoryPlayer, val assembler: tileentity
     super.drawGuiContainerBackgroundLayer(dt, mouseX, mouseY)
     mc.renderEngine.bindTexture(Textures.guiRobotAssembler)
     drawTexturedModalRect(guiLeft, guiTop, 0, 0, xSize, ySize)
-    if (assemblerContainer.isAssembling) {
-      drawProgress()
-    }
+    if (assemblerContainer.isAssembling) progress.level = assemblerContainer.assemblyProgress / 100.0
+    else progress.level = 0
+    drawWidgets()
   }
 
   override def doesGuiPauseGame = false
-
-  private def drawProgress() {
-    val level = assemblerContainer.assemblyProgress / 100.0
-
-    val u0 = 0
-    val u1 = progressWidth / 256.0 * level
-    val v0 = 1 - progressHeight / 256.0
-    val v1 = 1
-    val x = guiLeft + progressX
-    val y = guiTop + progressY
-    val w = progressWidth * level
-
-    val t = Tessellator.instance
-    t.startDrawingQuads()
-    t.addVertexWithUV(x, y, zLevel, u0, v0)
-    t.addVertexWithUV(x, y + progressHeight, zLevel, u0, v1)
-    t.addVertexWithUV(x + w, y + progressHeight, zLevel, u1, v1)
-    t.addVertexWithUV(x + w, y, zLevel, u1, v0)
-    t.draw()
-  }
 }
\ No newline at end of file
diff --git a/src/main/scala/li/cil/oc/client/gui/TextBuffer.scala b/src/main/scala/li/cil/oc/client/gui/TextBuffer.scala
index 14218aad0..6ead080a7 100644
--- a/src/main/scala/li/cil/oc/client/gui/TextBuffer.scala
+++ b/src/main/scala/li/cil/oc/client/gui/TextBuffer.scala
@@ -50,6 +50,7 @@ trait TextBuffer extends GuiScreen {
   }
 
   protected def drawBufferLayer() {
+    if (buffer == null) return
     val oldWidth = currentWidth
     val oldHeight = currentHeight
     if (buffer != null) {
diff --git a/src/main/scala/li/cil/oc/client/gui/widget/ProgressBar.scala b/src/main/scala/li/cil/oc/client/gui/widget/ProgressBar.scala
new file mode 100644
index 000000000..7f9beb31e
--- /dev/null
+++ b/src/main/scala/li/cil/oc/client/gui/widget/ProgressBar.scala
@@ -0,0 +1,34 @@
+package li.cil.oc.client.gui.widget
+
+import li.cil.oc.client.Textures
+import net.minecraft.client.Minecraft
+import net.minecraft.client.renderer.Tessellator
+
+class ProgressBar(val x: Int, val y: Int) extends Widget {
+  override def width = 140
+
+  override def height = 12
+
+  var level = 0.0
+
+  def draw() {
+    if (level > 0) {
+      val u0 = 0
+      val u1 = width / 256.0 * level
+      val v0 = 1 - height / 256.0
+      val v1 = 1
+      val tx = owner.windowX + x
+      val ty = owner.windowY + y
+      val w = width * level
+
+      Minecraft.getMinecraft.renderEngine.bindTexture(Textures.guiBar)
+      val t = Tessellator.instance
+      t.startDrawingQuads()
+      t.addVertexWithUV(tx, ty, owner.windowZ, u0, v0)
+      t.addVertexWithUV(tx, ty + height, owner.windowZ, u0, v1)
+      t.addVertexWithUV(tx + w, ty + height, owner.windowZ, u1, v1)
+      t.addVertexWithUV(tx + w, ty, owner.windowZ, u1, v0)
+      t.draw()
+    }
+  }
+}
diff --git a/src/main/scala/li/cil/oc/client/gui/widget/Widget.scala b/src/main/scala/li/cil/oc/client/gui/widget/Widget.scala
new file mode 100644
index 000000000..c97facd41
--- /dev/null
+++ b/src/main/scala/li/cil/oc/client/gui/widget/Widget.scala
@@ -0,0 +1,15 @@
+package li.cil.oc.client.gui.widget
+
+abstract class Widget {
+  var owner: WidgetContainer = _
+
+  def x: Int
+
+  def y: Int
+
+  def width: Int
+
+  def height: Int
+
+  def draw()
+}
diff --git a/src/main/scala/li/cil/oc/client/gui/widget/WidgetContainer.scala b/src/main/scala/li/cil/oc/client/gui/widget/WidgetContainer.scala
new file mode 100644
index 000000000..dbb010e44
--- /dev/null
+++ b/src/main/scala/li/cil/oc/client/gui/widget/WidgetContainer.scala
@@ -0,0 +1,25 @@
+package li.cil.oc.client.gui.widget
+
+import net.minecraft.client.gui.inventory.GuiContainer
+
+import scala.collection.mutable
+
+trait WidgetContainer { self: GuiContainer =>
+  protected val widgets = mutable.ArrayBuffer.empty[Widget]
+
+  def addWidget[T <: Widget](widget: T) = {
+    widgets += widget
+    widget.owner = this
+    widget
+  }
+
+  def windowX = guiLeft
+
+  def windowY = guiTop
+
+  def windowZ = zLevel
+
+  def drawWidgets() {
+    widgets.foreach(_.draw())
+  }
+}
diff --git a/src/main/scala/li/cil/oc/client/renderer/gui/BufferRenderer.scala b/src/main/scala/li/cil/oc/client/renderer/gui/BufferRenderer.scala
index ea3aadde8..b95332f43 100644
--- a/src/main/scala/li/cil/oc/client/renderer/gui/BufferRenderer.scala
+++ b/src/main/scala/li/cil/oc/client/renderer/gui/BufferRenderer.scala
@@ -26,7 +26,7 @@ object BufferRenderer {
     Textures.init(tm)
   })
 
-  def compileBackground(bufferWidth: Int, bufferHeight: Int) =
+  def compileBackground(bufferWidth: Int, bufferHeight: Int, forRobot: Boolean = false) =
     if (textureManager.isDefined) {
       RenderState.checkError(getClass.getName + ".compileBackground: entering (aka: wasntme)")
 
@@ -39,10 +39,8 @@ object BufferRenderer {
 
       GL11.glBegin(GL11.GL_QUADS)
 
-      val c0 = 0
-      val c1 = 7
-      val c2 = 9
-      val c3 = 16
+      val margin = if (forRobot) 1 else 7
+      val (c0, c1, c2, c3) = if (forRobot) (5, 7, 9, 11) else (0, 7, 9, 16)
 
       // Top border (left corner, middle bar, right corner).
       drawBorder(
diff --git a/src/main/scala/li/cil/oc/common/container/Robot.scala b/src/main/scala/li/cil/oc/common/container/Robot.scala
index a558e9080..af623d838 100644
--- a/src/main/scala/li/cil/oc/common/container/Robot.scala
+++ b/src/main/scala/li/cil/oc/common/container/Robot.scala
@@ -14,17 +14,17 @@ class Robot(playerInventory: InventoryPlayer, robot: tileentity.Robot) extends P
     case Some(buffer: api.component.TextBuffer) => true
     case _ => false
   }
-  private val withScreenHeight = 242
+  private val withScreenHeight = 256
   private val noScreenHeight = 108
   val deltaY = if (hasScreen) 0 else withScreenHeight - noScreenHeight
 
-  addSlotToContainer(170 + 0 * slotSize, 218 - deltaY, api.driver.Slot.Tool)
-  addSlotToContainer(170 + 1 * slotSize, 218 - deltaY, robot.containerSlotType(1), robot.containerSlotTier(1))
-  addSlotToContainer(170 + 2 * slotSize, 218 - deltaY, robot.containerSlotType(2), robot.containerSlotTier(2))
-  addSlotToContainer(170 + 3 * slotSize, 218 - deltaY, robot.containerSlotType(3), robot.containerSlotTier(3))
+  addSlotToContainer(170 + 0 * slotSize, 232 - deltaY, api.driver.Slot.Tool)
+  addSlotToContainer(170 + 1 * slotSize, 232 - deltaY, robot.containerSlotType(1), robot.containerSlotTier(1))
+  addSlotToContainer(170 + 2 * slotSize, 232 - deltaY, robot.containerSlotType(2), robot.containerSlotTier(2))
+  addSlotToContainer(170 + 3 * slotSize, 232 - deltaY, robot.containerSlotType(3), robot.containerSlotTier(3))
 
   for (i <- 0 to 3) {
-    val y = 142 + i * slotSize - deltaY
+    val y = 156 + i * slotSize - deltaY
     for (j <- 0 to 3) {
       val x = 170 + j * slotSize
       addSlotToContainer(new InventorySlot(this, otherInventory, inventorySlots.size, x, y))
@@ -34,7 +34,7 @@ class Robot(playerInventory: InventoryPlayer, robot: tileentity.Robot) extends P
     addSlotToContainer(new InventorySlot(this, otherInventory, inventorySlots.size, -10000, -10000))
   }
 
-  addPlayerInventorySlots(6, 160 - deltaY)
+  addPlayerInventorySlots(6, 174 - deltaY)
 
   // This factor is used to make the energy values transferable using
   // MCs 'progress bar' stuff, even though those internally send the