My guess...and it's only a guess, is that somehow you got the surface normals reversed on one or more of you're NURBS surface patches. But I can't see how. The only way I could get them to flip was with the suface editing tool.
AIM: mhcannonDMC
"If you love your job, you'll never work another day in your life."
Last edited by mhcannon; 07-02-2005 at 10:07 AM.