Making a surface from arcs

Hey,
i am trying to make a rounded surface from arcs.
Im stuck on é issues:

  1. making the surface
  2. not having the front and back facade flat but also rounded to get the intire thing as a hill or something
    any help would be deeply appriciated
    arches.gh (6.7 KB)
    rounded surface from arcs.3dm (131.4 KB)

Maybe this is just me being dumb and not fully understanding, but have you tried lofting to a point?

Something like this?


arches_re.gh (75.9 KB)

Exactly!

Thank you very much