(...) I found your problem. Run a L3P -check test on your part, all the quads with bad vertex sequence errors will show up as blue under mytest6. Fix the errors with the quads and L3Lab will correctly show eithr red or green. This goes for your (...) (22 years ago, 27-Jul-02, to lugnet.cad.dat.parts)
(...) 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)