diff --git a/src/main/java/ninja/bytecode/iris/Settings.java b/src/main/java/ninja/bytecode/iris/Settings.java
index 473e33bbf..7a39da61e 100644
--- a/src/main/java/ninja/bytecode/iris/Settings.java
+++ b/src/main/java/ninja/bytecode/iris/Settings.java
@@ -9,10 +9,10 @@ public class Settings
 
 	public static class PerformanceSettings
 	{
-		public PerformanceMode performanceMode = PerformanceMode.MATCH_CPU;
+		public PerformanceMode performanceMode = PerformanceMode.HALF_CPU;
 		public int threadCount = 12;
 		public int threadPriority = Thread.MIN_PRIORITY;
-		public boolean loadonstart = true;
+		public boolean loadonstart = false;
 	}
 
 	public static class GeneratorSettings
diff --git a/src/main/java/ninja/bytecode/iris/generator/IrisGenerator.java b/src/main/java/ninja/bytecode/iris/generator/IrisGenerator.java
index b63c2f3e3..4f19e5888 100644
--- a/src/main/java/ninja/bytecode/iris/generator/IrisGenerator.java
+++ b/src/main/java/ninja/bytecode/iris/generator/IrisGenerator.java
@@ -316,6 +316,8 @@ public class IrisGenerator extends ParallelChunkGenerator
 				J.attempt(() -> g.setPriority(Integer.valueOf(i.split("\\Q=\\E")[1]).intValue()));
 			}
 		}
+		
+		g.generateRotationVariants();
 
 		schematicCache.put(folder, g);
 		return g;
diff --git a/src/main/java/ninja/bytecode/iris/schematic/Schematic.java b/src/main/java/ninja/bytecode/iris/schematic/Schematic.java
index 886f6f861..dbed263a8 100644
--- a/src/main/java/ninja/bytecode/iris/schematic/Schematic.java
+++ b/src/main/java/ninja/bytecode/iris/schematic/Schematic.java
@@ -15,7 +15,9 @@ import org.bukkit.World;
 import org.bukkit.util.BlockVector;
 
 import ninja.bytecode.iris.util.Catalyst12;
+import ninja.bytecode.iris.util.Direction;
 import ninja.bytecode.iris.util.MB;
+import ninja.bytecode.iris.util.VectorMath;
 import ninja.bytecode.shuriken.collections.GMap;
 import ninja.bytecode.shuriken.io.CustomOutputStream;
 import ninja.bytecode.shuriken.logging.L;
@@ -128,6 +130,7 @@ public class Schematic
 		}
 
 		dos.close();
+		center();
 	}
 
 	public BlockVector getOffset()
@@ -204,4 +207,44 @@ public class Schematic
 		L.i("Loaded Schematic: " + f.getPath() + " Size: " + s.getSchematic().size());
 		return s;
 	}
+	
+	public void center()
+	{
+		GMap<BlockVector, MB> s = getSchematic().copy();
+		clear();
+		BlockVector max = new BlockVector(-10000, -10000, -10000);
+		BlockVector min = new BlockVector(10000, 10000, 10000);
+		
+		for(BlockVector i : s.k())
+		{
+			if(i.lengthSquared() < min.lengthSquared())
+			{
+				min = i;
+			}
+			
+			if(i.lengthSquared() > max.lengthSquared())
+			{
+				max = i;
+			}
+		}
+		
+		BlockVector center = min.clone().add(max.clone().multiply(0.5D)).toBlockVector();
+		
+		for(BlockVector i : s.k())
+		{
+			getSchematic().put(i.clone().subtract(center).toBlockVector(), s.get(i));
+		}
+	}
+
+	public void rotate(Direction from, Direction to)
+	{
+		center();
+		GMap<BlockVector, MB> s = getSchematic().copy();
+		clear();
+		
+		for(BlockVector i : s.k())
+		{
+			getSchematic().put(VectorMath.rotate(from, to, i).toBlockVector(), s.get(i));
+		}
+	}
 }
diff --git a/src/main/java/ninja/bytecode/iris/schematic/SchematicGroup.java b/src/main/java/ninja/bytecode/iris/schematic/SchematicGroup.java
index 8bd24a1bf..46e66ea61 100644
--- a/src/main/java/ninja/bytecode/iris/schematic/SchematicGroup.java
+++ b/src/main/java/ninja/bytecode/iris/schematic/SchematicGroup.java
@@ -1,5 +1,6 @@
 package ninja.bytecode.iris.schematic;
 
+import ninja.bytecode.iris.util.Direction;
 import ninja.bytecode.shuriken.collections.GList;
 
 public class SchematicGroup
@@ -61,4 +62,28 @@ public class SchematicGroup
 	{
 		return getSchematics().size();
 	}
+	
+	public void generateRotationVariants()
+	{
+		if(flags.contains("rotation=none"))
+		{
+			return;
+		}
+		
+		GList<Schematic> variants = new GList<>();
+		GList<Direction> directions = flags.contains("rotation=all") ? Direction.udnews() : Direction.news();
+		directions.remove(Direction.N);
+		
+		for(Schematic i : getSchematics())
+		{
+			for(Direction j : directions)
+			{
+				Schematic rotated = i.copy();
+				rotated.rotate(Direction.N, j);
+				variants.add(rotated);
+			}
+		}
+		
+		getSchematics().add(variants);
+	}
 }