I decided to make my own paper case for my Raspberry Pi. I liked the idea of something that I could just cut up and fold into shape. So, I came up with a design that uses the Pi's connectors to hold everything into place and doesn't require glue.
mrcaptain -- make sure you don't have any margins set in your PDF viewer. If you are using linux, try xpdf instead of the default viewer. The default always seems to want to add extra margins.
pygmy_giant -- I like being able to see the components. if you want to keep the dust out, you can always just turn the whole thing upside down.