Hello everybody, I have a simple question about fill regions. In the pic below I show my goal that is fill the region that I painted with green.
cadeira.3dm (24.2 KB) cadeira.gh (2.0 KB)
hi Leo,
you forgot to save your curves:
if they are in the same plane you could use boundary surface component
cadeira.3dm (23.3 KB) cadeira.gh (3.5 KB)
I’m apologize for my fault Baris! 
Here are the correct archive.
Boundary Surface
Thanks man!!!