From a company that sells Raspberry Pi’s in North America comes this:
One of our top selling accessories for the Raspberry Pi is the case. Cases for the Pi come in a multitude of styles, sizes and colors, but if you’re like us, you’re the type of person who loves to build it yourself. Today we’re going to build a bare-bones case out of cardboard with supplies you may already have laying around the house.
Read the rest of the article here:
Build Your Own Raspberry Pi Case from Cardboard or Cardstock (MCM Electronics)