Thank You, Michael...

If that is the case, then it won't help me much. I was under the impression that the format would deal with triangles a bit differently, i.e., not necessarily straight lines. From your description, I'll search for something else. If the Shapeways prototype comes out as smooth as the old ZCorp SLA epoxy hardened finish, I'll be happy. Unfortunately, it was too brittle for foundry casting. I should receive the 3D printed output today via USPS. I'm anxious to see the results. Regards...Bob