[math-fun] Medium res zero area icosapentagon

gosper.org/icosapentagon.pdf I'll still bet there's a sexy way in Mathematica to get the exact polygons and their colors. There's also a positive area icosapentagram. Scroll the black one up and down vigorously to see an excited sea urchin. It is happy because the winding number plotter mysteriously provided it with a nice sandy bottom. --rwg