I've used this to succinctly define a Sierpinski carpet on Wikimedia Commons a while ago: https://commons.wikimedia.org/wiki/File:Sierpinski_carpet_6.svg https:

I've used this to succinctly define a Sierpinski carpet on Wikimedia Commons a while ago: https://commons.wikimedia.org/wiki/File:Sierpinski_carpet_6.svg https://commons.wikimedia.org/wiki/File:Sierpinski_carpet_6.... That file was able to lock up or crash most SVG renderers back then.