There’s lots of great stuff on this site; https://gpfault.net/posts/generating-trees.txt.html linked from the OP is super interesting and the embedded interactive demos are fun.
I think the author is the submitter here: I can’t see any images on mobile Safari. Maybe a WebGL thing? Perhaps you could substitute some animated gifs for whatever should be in the black boxes I see in your post?
Must be because of Safari’s poor WebGL support. https://gph.is/2lul96P
Where did you find this, @nicebyte?
I am the author
I get that. I meant, where did you find the quine you describe?
Oh, the author posted it on twitter and i came across it via retweets/likes