hi all, i added simple polygon subdivison to the .obj loader, which was needed when the object had various polygon types (e.g. triangles and quads in the same object), or polygons with more than 4 edges. i might found a bug with recalc-normals: http://www.flickr.com/photos/gaborpapp/4281264822/ https://savannah.nongnu.org/bugs/?28641 best, gabor