How do I create a surface/mesh from curves

Hello everybody,

I am new to grasshopper, starting to create this organic shape (please find attached the pictures of reference) but I don’t know how I can covered the so called dome with a surface or a mesh with thickness, this would be then my covering in polycarbonate.

Can anybody know a solution?

I attache the grasshopper file and rhino files that includes the curves for the script

Kind regards
dome (24.3 KB)
base.3dm (27.4 KB)

I’m not sure what you mean but this could be an approximation. (28.1 KB)