Hi DigReal, Good suggestions...I have tried high smoothing way over 90 deg, with no luck. Nothing changes, and Ive tried different lighting input including just a spot at different angles too. It renders just fine in Poser 5. Tried importing then exporting from Rhino, Poser and VIZ (Max6)as a .3ds and .obj. I guess I'll have to rebuild with some delilberate kind of subdivision. In some software there is the possibility of polys and other objects casting shadows on themselves in ways that show up like this. Adjusting shadow bias can help. Just wishing Vue had that capability to try. Thanks. wb