update a file

AutoSave.ftbm

 Model
 	Blocks
-		Block
-			ArtNo:31982
-			ID:39100579-26fa-4fe3-bb5f-ac2f6d27b9e5
-			IsStatic:False
-			Position
-				X:-77.99998
-				Y:1.249999
-				Z:109.5
-			Rotation
-				X:0
-				Y:-1.947072E-07
-				Z:1
-				W:0
-		Block
-			ArtNo:38428
-			ID:fb5c7da3-a17c-4ea2-b5ea-f61728e80841
-			IsStatic:False
-			Position
-				X:-77.24998
-				Y:1.25
-				Z:108.75
-			Rotation
-				X:-1
-				Y:0
-				Z:0
-				W:2.523276E-07
 		Block
 			ArtNo:31982
 			ID:721e55f4-72bc-4c15-abb5-5ec255562ce1
@@ -1240,24 +1214,10 @@ Model
 				Z:0
 				W:1
 	Connections
-		BlockID:39100579-26fa-4fe3-bb5f-ac2f6d27b9e5
-			Connection:0
-				ConnectedBlockID:fb5c7da3-a17c-4ea2-b5ea-f61728e80841
-				ConnectedConnectionIdx:0
-		BlockID:fb5c7da3-a17c-4ea2-b5ea-f61728e80841
-			Connection:0
-				ConnectedBlockID:39100579-26fa-4fe3-bb5f-ac2f6d27b9e5
-				ConnectedConnectionIdx:0
-			Connection:1
-				ConnectedBlockID:721e55f4-72bc-4c15-abb5-5ec255562ce1
-				ConnectedConnectionIdx:1
 		BlockID:721e55f4-72bc-4c15-abb5-5ec255562ce1
 			Connection:0
 				ConnectedBlockID:3be27162-9a0f-470f-a41d-d6ebb179c221
 				ConnectedConnectionIdx:48
-			Connection:1
-				ConnectedBlockID:fb5c7da3-a17c-4ea2-b5ea-f61728e80841
-				ConnectedConnectionIdx:1
 		BlockID:1c8dc68b-7705-43aa-a83b-26f6fa5e8d1d
 		BlockID:086ef482-261e-41e3-9e9d-2ad81deb4cc4
 			Connection:17