Inspired by Doodling in Math Class: Stars, this sketch draws a star by finding N equally spaced points around a circle, and then connecting every Mth point.
Click to play: SkipStars
Based on a processing sketch, which I sadly can’t find now, this is a fun little sketch that creates interesting moiré patterns from twirling, branching twigs. Also, playing with jQuery a bit for the controls.
Click to play: Pretty