diff --git a/BauSystem_15/src/de/steamwar/bausystem/world/Region_15.java b/BauSystem_15/src/de/steamwar/bausystem/world/Region_15.java
index c775ce0..3ea6965 100644
--- a/BauSystem_15/src/de/steamwar/bausystem/world/Region_15.java
+++ b/BauSystem_15/src/de/steamwar/bausystem/world/Region_15.java
@@ -1,15 +1,16 @@
 package de.steamwar.bausystem.world;
 
-import com.sk89q.worldedit.EditSession;
-import com.sk89q.worldedit.WorldEdit;
-import com.sk89q.worldedit.bukkit.BukkitWorld;
+import com.sk89q.worldedit.bukkit.BukkitAdapter;
 import com.sk89q.worldedit.extent.clipboard.Clipboard;
 import com.sk89q.worldedit.extent.clipboard.io.ClipboardFormats;
-import com.sk89q.worldedit.function.operation.Operations;
 import com.sk89q.worldedit.math.BlockVector3;
-import com.sk89q.worldedit.math.transform.AffineTransform;
-import com.sk89q.worldedit.session.ClipboardHolder;
+import com.sk89q.worldedit.world.block.BaseBlock;
+import net.minecraft.server.v1_15_R1.BlockPosition;
+import net.minecraft.server.v1_15_R1.WorldServer;
 import org.bukkit.Bukkit;
+import org.bukkit.Material;
+import org.bukkit.craftbukkit.v1_15_R1.CraftWorld;
+import org.bukkit.craftbukkit.v1_15_R1.block.data.CraftBlockData;
 
 import java.io.File;
 import java.io.FileInputStream;
@@ -30,18 +31,29 @@ public class Region_15 {
         BlockVector3 dimensions = clipboard.getDimensions();
         BlockVector3 v = BlockVector3.at(x, y, z);
         BlockVector3 offset = clipboard.getRegion().getMinimumPoint().subtract(clipboard.getOrigin());
-        AffineTransform aT = new AffineTransform();
         if(rotate){
-            aT = aT.rotateY(180);
             v = v.add(dimensions.getX()/2 + dimensions.getX()%2, 0, dimensions.getZ()/2 + dimensions.getZ()%2).subtract(offset.multiply(-1, 1, -1)).subtract(1, 0, 1);
         }else{
             v = v.subtract(dimensions.getX()/2 - dimensions.getX()%2, 0, dimensions.getZ()/2 - dimensions.getZ()%2).subtract(offset);
         }
 
-        EditSession e = WorldEdit.getInstance().getEditSessionFactory().getEditSession(new BukkitWorld(Bukkit.getWorlds().get(0)), -1);
-        ClipboardHolder ch = new ClipboardHolder(clipboard);
-        ch.setTransform(aT);
-        Operations.completeBlindly(ch.createPaste(e).to(v).build());
-        e.flushSession();
+        WorldServer world = ((CraftWorld)Bukkit.getWorlds().get(0)).getHandle();
+        v = v.add(offset);
+
+        for(int X = v.getBlockX(); X < v.getBlockX() + dimensions.getBlockX(); X++){
+            for(int Y = v.getBlockY(); Y < v.getBlockY() + dimensions.getBlockY(); Y++){
+                for(int Z = v.getBlockZ(); Z < v.getBlockZ() + dimensions.getBlockZ(); Z++){
+                    BlockPosition blockPos = new BlockPosition(X, Y, Z);
+                    BaseBlock fullBlock = clipboard.getFullBlock(BlockVector3.at(X, Y, Z).subtract(v).add(clipboard.getRegion().getMinimumPoint()));
+                    Material replaceTo = BukkitAdapter.adapt(fullBlock.getBlockType());
+                    if(replaceTo == null)
+                        world.setTypeAndData(blockPos, ((CraftBlockData)Material.AIR.createBlockData()).getState(), 1024);
+                    else
+                        world.setTypeAndData(new BlockPosition(X, Y, Z), ((CraftBlockData)replaceTo.createBlockData()).getState(), 1024);
+                    world.getChunkProvider().flagDirty(blockPos);
+                    //world.getChunkProvider().getLightEngine().a(blockPos); //TODO: Fix lightning issues without preventing shutdown
+                }
+            }
+        }
     }
 }