How to make a 2D curve follow the shape of a 3D object (like a box) in MoI3D?

 From:  Frenchy Pilou (PILOU)
11778.3 In reply to 11778.2 
Seems exactly that Construct/ function Curve / Project do ?

If you want only top surface just Edit / Separate top surface before launch the Function Project !
Not shown on the animation...

EDITED: 7 Aug 2025 by PILOU