> Maybe in the reality intersection curves will be more straight and the tube more cylindric?

Hi Pilou, yes I think so. Making that tube to be less bowed in should also straighten out that intersection area.

- Michael

Excellent thread. I've said it before, MoI is not only easy to use, but Michael's explanations of HOW to use the tool are just amazing.

Just the teaching and examples are worth the price of admission.

hi michael,

thx a lot for your full description ...