@Danpiker

Did you see the 3 blue 1 brown breakdown about the Esher painting?

This isn't the same but it feels similar.

Can this get as small as we like?

https://www.youtube.com/watch?v=ldxFjLJ3rVY

Escher's most mathematically interesting piece

YouTube
@futurebird Yes - it's a very nice video. There is indeed a link - complex analysis. One way of generating these square tilings is via discrete harmonic functions.