Artist Kiel Johnson made this cardboard twin-lens reflex camera, which works as a pinhole camera. The build video is adorably edited. From BoingBoing:

His next exhibition, opening October 17 at the Mark Moore Gallery in Santa Monica, CA, is dedicated to the printing press. The centerpiece of the show, titled “Publish or Perish,” is a huge metal and cardboard of a printing press with a 70-yard drawing fed through it. For more, see the upcoming print issue of Hi-Fructose, Volume 14.