[Laremere]

The source for many of these images appears to be the 2014 Code Golf Stack Exchange thread "Images With All Colors": https://codegolf.stackexchange.com/questions/22144/images-wi...

Lots of interesting imagery, with source included.

[seligman99]

Indeed, here's my version of the implementation, it's what's currently my wallpaper on most of my machines:

My background, I took a bit of liberty with the colors: https://imgur.com/a/OFcsjZn

And an animated version: https://youtu.be/mO7VuqLNK1w

Fun use case to play around with Octrees to try and speed it all up.