I wrote an implementation a while back which actually projects it onto a 3d torus. I can't find the code now, but it looked something like this: https://i.ytim

I wrote an implementation a while back which actually projects it onto a 3d torus. I can't find the code now, but it looked something like this: https://i.ytimg.com/vi/lxIeaotWIks/hqdefault.jpg https://i.ytimg.com/vi/lxIeaotWIks/hqdefault.jpg but with a trefoil knot for extra flair.