Gradient UV division on waffle script / Bowerbird

Gradient planes is trivial. Extensive work was required, however, to handle the donut shape that generates multiple section curves per plane. I started from this, done two days ago:


P.S. No plugins.

P.P.S. I don’t know why there is no GH file for this donut? Here it is: (Oct 3, 2024)
waffle structure_2024Mar31b.gh (128.2 KB)