cross-posted from: https://sh.itjust.works/post/178803

This question is being reposted to preserve technical content removed from elsewhere. Feel free to add your own answers/discussion.

Original question: Using interleaving half circles or circle inside another circle seem common for 2D, are there similar shapes people use for higher dimensions? Maybe a hypersphere inside a hypersphere? I was thinking of trying to do something more complicated than a bunch of blobs.