diff --git a/docs/src/progress/renderertodo.md b/docs/src/progress/renderertodo.md
index 873598be..5f05c255 100644
--- a/docs/src/progress/renderertodo.md
+++ b/docs/src/progress/renderertodo.md
@@ -1986,6 +1986,7 @@ Performance improvements
  - Foliage cell quits earlier
  - Behavior tree addition/subtraction from scene optimization
  - Reduce bones on LOD human model
+ - Shallow clone on physics cell creation
 Increase human move speed
 LOD components re-attach physics
 
diff --git a/src/main/java/electrosphere/client/block/BlockChunkData.java b/src/main/java/electrosphere/client/block/BlockChunkData.java
index 9d7a9fe6..6bbe0268 100644
--- a/src/main/java/electrosphere/client/block/BlockChunkData.java
+++ b/src/main/java/electrosphere/client/block/BlockChunkData.java
@@ -86,38 +86,38 @@ public class BlockChunkData implements BlockMeshgenData {
     /**
      * The type of block at a given position
      */
-    short[] type;
+    private short[] type;
 
     /**
      * Metadata about a block
      * first 4 bits are the rotation of the block)
      */
-    short[] metadata;
+    private short[] metadata;
 
     /**
      * If this block chunk is homogenously a single value, it will be the value of this short. Otherwise is 
      */
-    short homogenousValue = NOT_HOMOGENOUS;
+    private short homogenousValue = NOT_HOMOGENOUS;
 
     /**
      * The level of detail of the block data
      */
-    int lod;
+    private int lod;
 
     /**
      * The x coordinate of the world position of the chunk
      */
-    int worldX;
+    private int worldX;
 
     /**
      * The y coordinate of the world position of the chunk
      */
-    int worldY;
+    private int worldY;
 
     /**
      * The z coordinate of the world position of the chunk
      */
-    int worldZ;
+    private int worldZ;
 
     /**
      * Constructor
@@ -152,6 +152,27 @@ public class BlockChunkData implements BlockMeshgenData {
         this.setMetadata(BlockChunkPool.getShort());
     }
 
+    /**
+     * Clones a block chunk data
+     * @param other The data to clone
+     * @return The cloned data
+     */
+    public static BlockChunkData cloneShallow(BlockChunkData other){
+        BlockChunkData rVal = new BlockChunkData();
+        if(other.type != null){
+            rVal.type = other.type;
+        }
+        if(other.metadata != null){
+            rVal.metadata = other.metadata;
+        }
+        rVal.homogenousValue = other.homogenousValue;
+        rVal.lod = other.lod;
+        rVal.worldX = other.worldX;
+        rVal.worldY = other.worldY;
+        rVal.worldZ = other.worldZ;
+        return rVal;
+    }
+
     /**
      * Gets the type data for the chunk
      * @return The type data
diff --git a/src/main/java/electrosphere/server/datacell/gridded/GriddedDataCellManager.java b/src/main/java/electrosphere/server/datacell/gridded/GriddedDataCellManager.java
index c06d1151..370ea370 100644
--- a/src/main/java/electrosphere/server/datacell/gridded/GriddedDataCellManager.java
+++ b/src/main/java/electrosphere/server/datacell/gridded/GriddedDataCellManager.java
@@ -384,7 +384,7 @@ public class GriddedDataCellManager implements DataCellManager, VoxelCellManager
         //the server will not be able to synchronize it properly.
         ServerEntityUtils.initiallyPositionEntity(parent,blockEntity,realPos);
         ServerEntityUtils.initiallyPositionEntity(parent,terrainEntity,realPos);
-        PhysicsDataCell cell = PhysicsDataCell.createPhysicsCell(worldPos, terrainEntity, blockEntity);
+        PhysicsDataCell cell = PhysicsDataCell.createPhysicsCell(terrainEntity, blockEntity);
         cell.setTerrainChunk(terrainChunk);
         cell.setBlockChunk(blockChunkData);
         cell.generatePhysics();
@@ -819,7 +819,7 @@ public class GriddedDataCellManager implements DataCellManager, VoxelCellManager
         ServerEntityUtils.initiallyPositionEntity(realm,blockEntity,realPos);
         ServerEntityUtils.initiallyPositionEntity(realm,terrainEntity,realPos);
 
-        PhysicsDataCell targetCell = PhysicsDataCell.createPhysicsCell(worldPos, terrainEntity, blockEntity);
+        PhysicsDataCell targetCell = PhysicsDataCell.createPhysicsCell(terrainEntity, blockEntity);
         if(cell == null){
             posPhysicsMap.put(key, targetCell);
         } else {
diff --git a/src/main/java/electrosphere/server/datacell/physics/PhysicsDataCell.java b/src/main/java/electrosphere/server/datacell/physics/PhysicsDataCell.java
index d5d3432c..0b5ff53f 100644
--- a/src/main/java/electrosphere/server/datacell/physics/PhysicsDataCell.java
+++ b/src/main/java/electrosphere/server/datacell/physics/PhysicsDataCell.java
@@ -14,26 +14,19 @@ import electrosphere.renderer.meshgen.BlockMeshgen.BlockMeshData;
 import electrosphere.server.datacell.Realm;
 import electrosphere.server.physics.terrain.manager.ServerTerrainChunk;
 
-import org.joml.Vector3i;
-import org.ode4j.ode.DBody;
-
 /**
  * An entity which contains physics for terrain for a given chunk on the server
  */
 public class PhysicsDataCell {
 
-    Vector3i worldPos;
-    
     Entity physicsEntity;
     Entity blockPhysicsEntity;
 
     ServerTerrainChunk terrainChunk;
     BlockChunkData blockChunk;
     
-    DBody physicsObject;
-
-    float[][][] weights = new float[ServerTerrainChunk.CHUNK_DATA_GENERATOR_SIZE][ServerTerrainChunk.CHUNK_DATA_GENERATOR_SIZE][ServerTerrainChunk.CHUNK_DATA_GENERATOR_SIZE];
-    int[][][] types = new int[ServerTerrainChunk.CHUNK_DATA_GENERATOR_SIZE][ServerTerrainChunk.CHUNK_DATA_GENERATOR_SIZE][ServerTerrainChunk.CHUNK_DATA_GENERATOR_SIZE];
+    float[][][] weights;
+    int[][][] types;
 
     /**
      * The terrain vertex data
@@ -52,7 +45,6 @@ public class PhysicsDataCell {
      * @return The cell
      */
     public static PhysicsDataCell createPhysicsCell(
-        Vector3i worldPos,
         Entity physicsEntity,
         Entity blockPhysicsEntity
 
@@ -60,7 +52,6 @@ public class PhysicsDataCell {
         PhysicsDataCell rVal = new PhysicsDataCell();
         rVal.physicsEntity = physicsEntity;
         rVal.blockPhysicsEntity = blockPhysicsEntity;
-        rVal.worldPos = worldPos;
         return rVal;
     }
     
@@ -123,6 +114,8 @@ public class PhysicsDataCell {
         //fill in data
         //
         //main chunk
+        this.weights = new float[ServerTerrainChunk.CHUNK_DATA_GENERATOR_SIZE][ServerTerrainChunk.CHUNK_DATA_GENERATOR_SIZE][ServerTerrainChunk.CHUNK_DATA_GENERATOR_SIZE];
+        this.types = new int[ServerTerrainChunk.CHUNK_DATA_GENERATOR_SIZE][ServerTerrainChunk.CHUNK_DATA_GENERATOR_SIZE][ServerTerrainChunk.CHUNK_DATA_GENERATOR_SIZE];
         for(int x = 0; x < ChunkData.CHUNK_DATA_SIZE; x++){
             for(int y = 0; y < ChunkData.CHUNK_DATA_SIZE; y++){
                 for(int z = 0; z < ChunkData.CHUNK_DATA_SIZE; z++){
@@ -257,7 +250,7 @@ public class PhysicsDataCell {
      * @param blockChunk The block chunk data
      */
     public void setBlockChunk(BlockChunkData blockChunk) {
-        this.blockChunk = blockChunk;
+        this.blockChunk = BlockChunkData.cloneShallow(blockChunk);
     }
 
     /**