diff --git a/src/codechicken/microblock/CornerMicroblock.scala b/src/codechicken/microblock/CornerMicroblock.scala
index f79f5e3..bbec95a 100644
--- a/src/codechicken/microblock/CornerMicroblock.scala
+++ b/src/codechicken/microblock/CornerMicroblock.scala
@@ -38,13 +38,13 @@ object CornerMicroClass extends MicroblockClass
     
     def create(client:Boolean) = 
         if(client)
-            new CornerMicroblockClient
+            new CornerMicroblock with CommonMicroblockClient
         else
             new CornerMicroblock
     
     def create(size:Int, slot:Int, material:Int, client:Boolean) = 
         if(client)
-            new CornerMicroblockClient(size, slot, material)
+            new CornerMicroblock(size, slot, material)with CommonMicroblockClient
         else
             new CornerMicroblock(size, slot, material)
     
@@ -53,11 +53,6 @@ object CornerMicroClass extends MicroblockClass
     def getResistanceFactor = 1
 }
 
-class CornerMicroblockClient(shape$:Byte = 0, material$:Int = 0) extends CornerMicroblock(shape$, material$) with CommonMicroblockClient
-{
-    def this(size:Int, slot:Int, material:Int) = this((size<<4|(slot-7)).toByte, material)
-}
-
 class CornerMicroblock(shape$:Byte = 0, material$:Int = 0) extends CommonMicroblock(shape$, material$)
 {
     def this(size:Int, slot:Int, material:Int) = this((size<<4|(slot-7)).toByte, material)
diff --git a/src/codechicken/microblock/EdgeMicroblock.scala b/src/codechicken/microblock/EdgeMicroblock.scala
index bbb993c..7886564 100644
--- a/src/codechicken/microblock/EdgeMicroblock.scala
+++ b/src/codechicken/microblock/EdgeMicroblock.scala
@@ -88,13 +88,13 @@ object EdgeMicroClass extends MicroblockClass
     
     def create(client:Boolean) = 
         if(client)
-            new EdgeMicroblockClient
+            new EdgeMicroblock with CommonMicroblockClient
         else
             new EdgeMicroblock
     
     def create(size:Int, slot:Int, material:Int, client:Boolean) = 
         if(client)
-            new EdgeMicroblockClient(size, slot, material)
+            new EdgeMicroblock(size, slot, material) with CommonMicroblockClient
         else
             new EdgeMicroblock(size, slot, material)
     
@@ -114,11 +114,6 @@ class EdgeMicroblock(shape$:Byte = 0, material$:Int = 0) extends CommonMicrobloc
     override def getSlot = getShape+15
 }
 
-class EdgeMicroblockClient(shape$:Byte = 0, material$:Int = 0) extends EdgeMicroblock(shape$, material$) with CommonMicroblockClient
-{
-    def this(size:Int, slot:Int, material:Int) = this((size<<4|(slot-15)).toByte, material)
-}
-
 object PostMicroClass
 {
     var aBounds:Array[Cuboid6] = new Array(256)
@@ -138,13 +133,13 @@ object PostMicroClass
     
     def create(client:Boolean) = 
         if(client)
-            new PostMicroblockClient
+            new PostMicroblock with PostMicroblockClient
         else
             new PostMicroblock
     
     def create(size:Int, slot:Int, material:Int, client:Boolean) = 
         if(client)
-            new PostMicroblockClient(size, slot, material)
+            new PostMicroblock(size, slot, material) with PostMicroblockClient
         else
             new PostMicroblock(size, slot, material)
     
@@ -153,13 +148,11 @@ object PostMicroClass
     def getResistanceFactor = 0.5F
 }
 
-class PostMicroblockClient(shape$:Byte = 0, material$:Int = 0) extends PostMicroblock(shape$, material$) with MicroblockClient
+trait PostMicroblockClient extends PostMicroblock with MicroblockClient
 {
     var renderBounds1:Cuboid6 = _
     var renderBounds2:Cuboid6 = _
     
-    def this(size:Int, orient:Int, material:Int) = this((size<<4|orient).toByte, material)
-    
     override def render(pos:Vector3, pass:Int)
     {
         val mat = getIMaterial
diff --git a/src/codechicken/microblock/FaceMicroblock.scala b/src/codechicken/microblock/FaceMicroblock.scala
index d78aa95..1cc4d20 100644
--- a/src/codechicken/microblock/FaceMicroblock.scala
+++ b/src/codechicken/microblock/FaceMicroblock.scala
@@ -40,13 +40,13 @@ object FaceMicroClass extends MicroblockClass
     
     def create(client:Boolean) = 
         if(client)
-            new FaceMicroblockClient
+            new FaceMicroblock with FaceMicroblockClient
         else
             new FaceMicroblock
     
     def create(size:Int, slot:Int, material:Int, client:Boolean) = 
         if(client)
-            new FaceMicroblockClient(size, slot, material)
+            new FaceMicroblock(size, slot, material) with FaceMicroblockClient
         else
             new FaceMicroblock(size, slot, material)
     
@@ -55,10 +55,8 @@ object FaceMicroClass extends MicroblockClass
     def getResistanceFactor = 1
 }
 
-class FaceMicroblockClient(shape$:Byte = 0, material$:Int = 0) extends FaceMicroblock(shape$, material$) with CommonMicroblockClient
+trait FaceMicroblockClient extends CommonMicroblockClient
 {
-    def this(size:Int, shape:Int, material:Int) = this((size<<4|shape).toByte, material)
-
     override def render(pos:Vector3, pass:Int) {
         if(pass < 0)
             MicroblockRender.renderCuboid(pos, getIMaterial, pass, getBounds, 0)
diff --git a/src/codechicken/microblock/HollowMicroblock.scala b/src/codechicken/microblock/HollowMicroblock.scala
index dc5ac49..99dc542 100644
--- a/src/codechicken/microblock/HollowMicroblock.scala
+++ b/src/codechicken/microblock/HollowMicroblock.scala
@@ -56,13 +56,13 @@ object HollowMicroClass extends MicroblockClass
 
     def create(client: Boolean) =
         if (client)
-            new HollowMicroblockClient
+            new HollowMicroblock with HollowMicroblockClient
         else
             new HollowMicroblock
 
     def create(size: Int, slot: Int, material: Int, client: Boolean) =
         if (client)
-            new HollowMicroblockClient(size, slot, material)
+            new HollowMicroblock(size, slot, material) with HollowMicroblockClient
         else
             new HollowMicroblock(size, slot, material)
 
@@ -71,12 +71,10 @@ object HollowMicroClass extends MicroblockClass
     def getResistanceFactor = 1
 }
 
-class HollowMicroblockClient(shape$: Byte = 0, material$: Int = 0) extends HollowMicroblock(shape$, material$) with CommonMicroblockClient
+trait HollowMicroblockClient extends HollowMicroblock with CommonMicroblockClient
 {
     renderMask |= 8 << 8
 
-    def this(size: Int, shape: Int, material: Int) = this((size << 4 | shape).toByte, material)
-
     override def recalcBounds() {
         super.recalcBounds()
         renderMask = renderMask & 0xFF | getHollowSize << 8