diff --git a/buildcraft_resources/assets/buildcraft/textures/blocks/fillerPatterns/cylinder.png b/buildcraft_resources/assets/buildcraft/textures/blocks/fillerPatterns/cylinder.png
new file mode 100644
index 00000000..14f05e4a
Binary files /dev/null and b/buildcraft_resources/assets/buildcraft/textures/blocks/fillerPatterns/cylinder.png differ
diff --git a/common/buildcraft/BuildCraftBuilders.java b/common/buildcraft/BuildCraftBuilders.java
index 6b64ef73..ec240852 100644
--- a/common/buildcraft/BuildCraftBuilders.java
+++ b/common/buildcraft/BuildCraftBuilders.java
@@ -42,6 +42,7 @@ import buildcraft.builders.filler.pattern.PatternStairs;
 import buildcraft.builders.filler.pattern.PatternBox;
 import buildcraft.builders.filler.pattern.PatternFlatten;
 import buildcraft.builders.filler.pattern.PatternHorizon;
+import buildcraft.builders.filler.pattern.PatternCylinder;
 import buildcraft.builders.filler.FillerRegistry;
 import buildcraft.builders.filler.pattern.PatternClear;
 import buildcraft.builders.GuiHandler;
@@ -298,6 +299,7 @@ public class BuildCraftBuilders {
 			FillerManager.registry.addPattern(new PatternBox());
 			FillerManager.registry.addPattern(new PatternPyramid());
 			FillerManager.registry.addPattern(new PatternStairs());
+			FillerManager.registry.addPattern(new PatternCylinder());
 		} catch (Error error) {
 			BCLog.logErrorAPI("Buildcraft", error, IFillerPattern.class);
 			throw error;
diff --git a/common/buildcraft/builders/filler/pattern/PatternCylinder.java b/common/buildcraft/builders/filler/pattern/PatternCylinder.java
new file mode 100644
index 00000000..972e45b9
--- /dev/null
+++ b/common/buildcraft/builders/filler/pattern/PatternCylinder.java
@@ -0,0 +1,121 @@
+/**
+ * Copyright (c) SpaceToad, 2011 http://www.mod-buildcraft.com
+ *
+ * BuildCraft is distributed under the terms of the Minecraft Mod Public License
+ * 1.0, or MMPL. Please check the contents of the license located in
+ * http://www.mod-buildcraft.com/MMPL-1.0.txt
+ */
+package buildcraft.builders.filler.pattern;
+
+import buildcraft.api.core.IBox;
+import buildcraft.api.core.Position;
+import net.minecraft.item.ItemStack;
+import net.minecraft.tileentity.TileEntity;
+import net.minecraft.world.World;
+
+public class PatternCylinder extends FillerPattern {
+
+        public PatternCylinder() {
+                super("cylinder");
+        }
+
+        @Override
+        public boolean iteratePattern(TileEntity tile, IBox box, ItemStack stackToPlace) {
+                int xMin = (int)box.pMin().x;
+                int yMin = (int)box.pMin().y;
+                int zMin = (int)box.pMin().z;
+
+                int xMax = (int)box.pMax().x;
+                int yMax = (int)box.pMax().y;
+                int zMax = (int)box.pMax().z;
+
+                int xFix = (xMax-xMin)%2;
+                int zFix = (zMax-zMin)%2;
+
+                int xCenter = (xMax+xMin)/2 + (xMax+xMin<0 && xFix==1 ? -1 : 0);
+                int zCenter = (zMax+zMin)/2 + (zMax+zMin<0 && zFix==1 ? -1 : 0);
+
+                int xRadius = (xMax-xMin)/2;
+                int zRadius = (zMax-zMin)/2;
+
+                if(xRadius == 0 || zRadius == 0) {
+                        return !fill(xMin, yMin, zMin, xMax, yMax, zMax, stackToPlace, tile.worldObj);
+                }
+
+                int dx = xRadius, dz = 0;
+                int xChange = zRadius*zRadius*(1-2*xRadius);
+                int zChange = xRadius*xRadius;
+                int ellipseError = 0;
+                int twoASquare = 2*xRadius*xRadius;
+                int twoBSquare = 2*zRadius*zRadius;
+                int stoppingX = twoBSquare*xRadius;
+                int stoppingZ = 0;
+
+                while(stoppingX >= stoppingZ) {
+                        if(!fillFourColumns(xCenter,zCenter,dx,dz,xFix,zFix,yMin,yMax,stackToPlace,tile.worldObj))
+                                return false;
+                        ++dz;
+                        stoppingZ += twoASquare;
+                        ellipseError += zChange;
+                        zChange += twoASquare;
+                        if(2*ellipseError + xChange > 0) {
+                                --dx;
+                                stoppingX -= twoBSquare;
+                                ellipseError += xChange;
+                                xChange += twoBSquare;
+                        }
+                }
+
+                dx = 0;
+                dz = zRadius;
+                xChange = zRadius*zRadius;
+                zChange = xRadius*xRadius*(1-2*zRadius);
+                ellipseError = 0;
+                stoppingX = 0;
+                stoppingZ = twoASquare*zRadius;
+
+                while(stoppingX <= stoppingZ) {
+                        if(!fillFourColumns(xCenter,zCenter,dx,dz,xFix,zFix,yMin,yMax,stackToPlace,tile.worldObj))
+                                return false;
+                        ++dx;
+                        stoppingX += twoBSquare;
+                        ellipseError += xChange;
+                        xChange += twoBSquare;
+                        if(2*ellipseError + zChange > 0) {
+                                --dz;
+                                stoppingZ -= twoASquare;
+                                ellipseError += zChange;
+                                zChange += twoASquare;
+                        }
+                }
+
+                return true;
+        }
+
+        private boolean fillFourColumns(int xCenter, int zCenter, int dx, int dz, int xFix, int zFix, int yMin, int yMax, ItemStack stackToPlace, World world) {
+                int x,z;
+
+                x = xCenter + dx + xFix;
+                z = zCenter + dz + zFix;
+                if(fill(x,yMin,z,x,yMax,z,stackToPlace,world))
+                        return false;
+
+                x = xCenter - dx;
+                z = zCenter + dz + zFix;
+                if(fill(x,yMin,z,x,yMax,z,stackToPlace,world))
+                        return false;
+
+                x = xCenter - dx;
+                z = zCenter - dz;
+                if(fill(x,yMin,z,x,yMax,z,stackToPlace,world))
+                        return false;
+
+                x = xCenter + dx + xFix;
+                z = zCenter - dz;
+                if(fill(x,yMin,z,x,yMax,z,stackToPlace,world))
+                        return false;
+
+                return true;
+        }
+
+}