interesting. Here's another video where one sees how the precision of this Moore curve drawn with epicycles varies with the frequency range:
https://old.reddit.com/r/woahdude/comments/6udj3e/moore_curv...
https://old.reddit.com/r/woahdude/comments/6udj3e/moore_curv...
Hence his version retains the blockiness of the Moore curve, whereas mine does not.