Mock-mathematics, or how to turn the human body into a graceful precision instrument.
Tony Orrico — artist, dancer, human spirograph. He creates remarkable large-scale mock-mathematical drawings with a savant’s focus and a marathoner’s endurance, sometimes drawing for up to four hours continuously, hitting our soft spot for the intersection of art and mathematics with delicious precision.
http://www.brainpickings.org/index.php/2011/04/26/tony-orrico-human-spirograph/