In case the author reads this:

>The stroke boundary algorithm could be extended to 3D by generating a ring (instead of a pair) of stroke boundary points at each sample point. I do not know of compelling uses for such a 3D element.

That would actually be an excellent way to describe a V-carving toolpath for a CNC router.

And now that I think about it --- didn't one of Wacom's Kai/Photoshop plug-ins work in this was to allow incising into a virtual surface?

It's a breath of fresh air to see an article that so clearly and carefully explains a concept amongst the sea of llm-prose.

Why is there not a single picture in an article about Bézier curves?

Waterluvian's Law is the why:

> The more an article would benefit from photos, the less likely it’ll have them.

visualizations that pop out from triangles

Because you didn't read the article to notice them