How to correctly extrude a non linear surface in GH?

I am having problems dealing with extrusion. I have a non linear ruled surface which i need to extrude into a solid. Extrusion and offset surface commands did not work. Help please

extrusions.gh (16.5 KB)

If you don’t mind to use mesh, then it could be a way.

extrusions_re.gh (18.1 KB)

1 Like

Thanks,
that worked out nicely