TIL Rectangles can twirl.

( x | y ) - ( x | 2y )

#mastodon #FractalFriday

@noneuclideandreamer played with this equation a bit, found this

( x ^ y ) & ( x ^ (2*y) ) % 9 == 0

@noneuclideandreamer
the "&" and "%" is not working as intended, another parenthesis changes the image
@conchoid Oh yeah that confused me too...