I read again your posts. My problem isn’t like beams with torsion but is geometrically!
I’m wondering if there is another way to do geometrically (so it’s like solve the problem BEFORE) the wings without use physics plug-in (kangaroo) that of course can solve the problem AFTER. Read the post and my questions carefully plaese!
There is also a question about REPLACE ITEM IN A LIST.
Anyway thanks for your attention!