Pssst, want some stereo speakers free abstract index card art?:
It’s drawing 5.21.08.A, totally free and public domain. Print it, paint on it, colorize it, redistribute it, reuse it, remix it, make a million bucks off it, whatever.
Fun project: download the full size version and run it through the Rasterbator to create free, large scale, printable, DIY wall art. Here’s a premade 50-inch wide PDF for you:
