from one of the referenced links [1], this is cool: https://isohedral.ca/other/Spirals/

[1] https://isohedral.ca/escher-like-spiral-tilings/

Lot's of fun! Thanks for sharing

I listened a talk by Roger Penrose 7 hours ago and then there's an Escher post 3 hours later.

https://youtu.be/sYRti8ZU5s8

See Baader Meinhof illusion, or Frequency Illusion.

https://en.m.wikipedia.org/wiki/Frequency_illusion

Direct PDF link:

https://link.springer.com/content/pdf/10.1007/s00371-021-022...

You might also like these cool tessellations: https://twitter.com/TilingBot

Some of the images they generated are beautiful. I wish they hadn’t compressed them so heavily. They would have made lovely phone wallpapers.