Arctan2(position).

Sorry, I’m no native english speaker. What would you call this shape going around and up?!

Thank you!

Clever system. I usually just cover the gaps with a full 3D viewport preview of the result. You could also record 2 separate videos simultaneously, one for the node editor, the other for 3D view. I've tested this setup, but never actually used it until now.

Here's a closer look.

Thanks, Leah. I built this in Blender. Nowadays it’s fully capable as a motion graphics package.

Looping Trimmed curves. Wireframe version.

And here's a wireframe viewport render.