It looks like the main thing you need to change is adding some bending stiffness to the sheet.
Without this it will just round out at the seams.
Here’s a comparison of without/with bending:
inflate_bend.gh (42.9 KB)
It looks like the main thing you need to change is adding some bending stiffness to the sheet.
Without this it will just round out at the seams.
Here’s a comparison of without/with bending: