Sierpinski tetrahedron This is a mobile, rotating Sierpinski pyramid. (Many thanks to @SpinningCube for warning me that it's not a tetrahedron but a pyramid...)
https://en.wikipedia.org/wiki/Chaos_game It's a 3-dimensional generalisation of this fractal rendering technique, which miraculously works. I also use a 'reverse false raycasting' to avoid redrawing dots behind other dots. https://turbowarp.org/968536248?fps=60
