Make surface from fillet arc

I want to know why does my closed curve cant make a surface by using Boundary Surface

here are the script

Yoga Shala.gh (26.4 KB)

Thank you!

Check the error bubble, boundary srf only creates planar surfaces. I didn’t check your definition, but i think you should try loft or sweep

I’m not sure if it’s really a neat approach , but using Patch component :

Yoga Shala(1).gh (28.3 KB)

this is good but The Path component is not optimized in algorithm speed.

Thank you!

Thank you Ali!

Thank you Cristoph!