diff --git a/docs/src/progress/renderertodo.md b/docs/src/progress/renderertodo.md
index 4c8a4f0c..11deba59 100644
--- a/docs/src/progress/renderertodo.md
+++ b/docs/src/progress/renderertodo.md
@@ -1862,6 +1862,7 @@ Solve for furniture placement inside rectangular rooms
 Visualize furniture placement slots
 AssetDataStrings work
 Invert rotation calculation for fab cursor
+BlockFab io work
 
 
 
diff --git a/src/main/java/electrosphere/data/block/fab/BlockFab.java b/src/main/java/electrosphere/data/block/fab/BlockFab.java
index a511c47d..316e85a8 100644
--- a/src/main/java/electrosphere/data/block/fab/BlockFab.java
+++ b/src/main/java/electrosphere/data/block/fab/BlockFab.java
@@ -3,7 +3,6 @@ package electrosphere.data.block.fab;
 import java.io.File;
 import java.io.IOException;
 import java.nio.ByteBuffer;
-import java.nio.IntBuffer;
 import java.nio.ShortBuffer;
 
 import org.joml.Vector3i;
@@ -23,7 +22,7 @@ public class BlockFab implements BlockMeshgenData {
     /**
      * File version format
      */
-    public static final int FILE_VER = 2;
+    public static final int FILE_VER = 3;
 
     /**
      * Size of the header for a block fab file
@@ -84,12 +83,10 @@ public class BlockFab implements BlockMeshgenData {
 
         ByteBuffer buff = ByteBuffer.allocate(HEADER_SIZE + blockCount * BlockChunkData.BYTES_PER_BLOCK + serializedMetadataBytes.length);
 
-        IntBuffer intView = buff.asIntBuffer();
-        intView.put(FILE_VER);
-        intView.put(dimensions.x);
-        intView.put(dimensions.y);
-        intView.put(dimensions.z);
-        buff.position(HEADER_SIZE);
+        buff.putInt(FILE_VER);
+        buff.putInt(dimensions.x);
+        buff.putInt(dimensions.y);
+        buff.putInt(dimensions.z);
         
         ShortBuffer shortView = buff.asShortBuffer();
 
@@ -116,21 +113,19 @@ public class BlockFab implements BlockMeshgenData {
         ByteBuffer buff;
         try {
             buff = FileUtils.readBufferFromCompressedFile(file);
-            IntBuffer intView = buff.asIntBuffer();
-            int fileVer = intView.get();
+            int fileVer = buff.getInt();
             LoggerInterface.loggerFileIO.DEBUG("Read fab file with ver " + fileVer);
             if(fileVer != FILE_VER){
                 LoggerInterface.loggerFileIO.WARNING("Reading unsupported fab file with version: " + fileVer);
             }
 
-            int dimX = intView.get();
-            int dimY = intView.get();
-            int dimZ = intView.get();
+            int dimX = buff.getInt();
+            int dimY = buff.getInt();
+            int dimZ = buff.getInt();
+            
             Vector3i dims = new Vector3i(dimX, dimY, dimZ);
             buff.position(HEADER_SIZE);
 
-            ShortBuffer shortView = buff.asShortBuffer();
-
             int blockCount = dims.x * dims.y * dims.z;
             short[] types = new short[blockCount];
             short[] metadata = new short[blockCount];
@@ -138,7 +133,7 @@ public class BlockFab implements BlockMeshgenData {
             for(int x = 0; x < dims.x; x++){
                 for(int y = 0; y < dims.y; y++){
                     for(int z = 0; z < dims.z; z++){
-                        types[i] = shortView.get();
+                        types[i] = buff.getShort();
                         i++;
                     }
                 }
@@ -147,14 +142,13 @@ public class BlockFab implements BlockMeshgenData {
             for(int x = 0; x < dims.x; x++){
                 for(int y = 0; y < dims.y; y++){
                     for(int z = 0; z < dims.z; z++){
-                        metadata[i] = shortView.get();
+                        metadata[i] = buff.getShort();
                         i++;
                     }
                 }
             }
 
             //read the fab metadata
-            buff.position(HEADER_SIZE + blockCount * 2 + blockCount * 2);
             BlockFabMetadata fabMetadata = new BlockFabMetadata();
             if(buff.remaining() > 0){
                 byte[] fabMetadataBytes = new byte[buff.remaining()];