“Romanesco 2.0” by Elias Schütt & HellMood

In just 1023 bytes of JavaScript, this fractal visualizer (apparently inspired by an article on Distance Estimated 3D Fractals) distills a lot of complex mathematics into a tiny representation, using less than a thousandth of the space of an average web page.

http://js1k.com/2016-elemental/details/2552

http://js1k.com/2016-elemental/demo/2552

(discovered via Jacob Garbe)