Yes but its was just for take something and give the possibility in Aff 1 to fill anything...

I believe i can make something like this: Moi Export PDF "Project view 3D"
then reload this PDF inside MOi = i have a Plane of the visible wire!
General Trim by a Plane = i have each zone as a surface
Rest to find something who surrond each surface by a curve!

to be continue...