(...) Hmmm. I tried that with a few quads (I'll fix them all soon) but it made no difference - they're still all blue. ROSCO (22 years ago, 27-Jul-02, to lugnet.cad.dat.parts)
(...) I'm a dummy. I overanalyzed the problem. Here's the solution: The BFC CERTFY statement dosen't have a CW or CCW. If add CW or CCW everything will show up as expected. You still have to fix the bad vertex sequences and row all 0 warnings (...) (22 years ago, 27-Jul-02, to lugnet.cad.dat.parts)