This looks like a fun pinhole camera. Worth exploring when it's released in the next few weeks...
stenopeika handmade pinhole camera
handmade 35mm overlapping stereo pinhole camera by kzappaster, via Flickr
Impress your colleagues with a cassette business card holder.
DIY cardboard pinhole camera
Cool DIY pinhole paper camera with instructions and template for free download #coolhunting #craft #DIY
Leica M3 pinhole camera