I agree with naet that threejs might be the thing to look at if you want to make 3d animations. My own interactive diagrams are 2d, and I often use svg with rea

I agree with naet that threejs might be the thing to look at if you want to make 3d animations. My own interactive diagrams are 2d, and I often use svg with reactive data filling in the parameters. [1] I've also tried hand crafting and it's not so bad for pages like this. They're mostly write-once pages, not software that's being maintained for many years. Some of our intuitions are out of whack when they tell us that we need abstractions and frameworks for maintainability. [1] https://www.redblobgames.com/making-of/circle-drawing/ https://www.redblobgames.com/making-of/circle-drawing/