Is there a word for a surface where every U isoparm is perpendicular to every V isoparm everywhere that U and V cross? Like a surface where if I do Construct > Curve > Iso > Both at any point then the resulting U and V curves will be at right angles at that point?

- Peer

Hi Peer,

re:
> Is there a word for a surface where every U isoparm is perpendicular to every V isoparm
> everywhere that U and V cross?

Hmmm, not that I can remember right now.

- Michael

Thanks for thinking about this one Michael.

- Peer