serg2

I looked at the file. My assumption turned out to be untenable.

You need to check the durations of the curves framing this patch. Sometimes there are spiral structures that do not allow a patch to be closed.

It was great material! It seems it was Brain Prince ......O! Jeff Paries!

Thanks Robert! Each ring has three types of rotation. 1) Around its own axis. 2) Around the general axis of the structure, relative to the viewer. 3) By turning each section of the ring inside out. Gasoline streak or CD-disk material created from a combination of Landscape and Anisotropic shaders

not mobius https://youtu.be/VH-Mr7-4jkI MOBIUS3.mp4

Great work, Robert! Dinosaurs and bears, congratulations to everyone on the completion of the competition!

Very good, Michael

"Multiple Modela on Path"

Thanks, Robert!

Great Thanks! Is it possible to assign plugin actions to hotkeys? For example, assigning a hotkey to smooth a curve.

Yes, Robert!

The idea of a lesson on a burning ball is well realized here. (I can’t find that old lesson - it seems from Brian Prince) + Sparticles

I'll try

S-BooleanTest2.prj