Ok, now I'm confused. I'm still very new to the terminology of fractals. What exactly constitutes a 3-d object in UF? Just spheres or certain types of mapping (such as perspective) also. Plus there's a few others that look 3D to me. (But then again I can't see worth a, well you know:)) And out of curiosity... why are spheres and 3d forms used exclusively from UF considered a mixed medium now? I really don't understand that. I have no problems following the guidelines, just unsure of the 3d part of the guidelines.