I've never really looked at/compared the .babylon files produced by the BJS exporters from 3DMax and Blender until the last week. I guess I first noticed a difference when I looked at a 3dMax file that dad72 so generously let me use while I was struggling with the "attachToBone" issue. A couple of differences that I immediately noticed - In 3Dmax Files: 1. Meshes have a "pickable" parameter in 3Dmax files. 2. Lights have "excludedMeshesIds" and "includedOnlyMeshesIds" parameters. 3. Lights and Cameras have a number of "autoAnimate" parameters. So, I am curious about what other features the 3DMax produced .babylon files have over the Blender produced ones? cheers, gryff