Transition from 2D to 3D

Hi guys,
i want to create a 3D surface starting to 2D view. I have, in the same plane, the top and elevation views.


unnamed.gh (11.2 KB)

cones_2020Apr28a
cones_2020Apr28a.gh (16.3 KB)

Simplified version:


cones_2020Apr28b.gh (7.7 KB)