How to correctly extrude a non linear surface in GH?

[martin_OS (Martinbuk)]

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)

[HS_Kim]

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

extrusions_re.gh (18.1 KB)

[martin_OS (Martinbuk)]

Thanks,
that worked out nicely