Stackable totem pole style glasses holder
Find you have too many spectacles and sunglasses spread out around the place? Well, now you have a neat and tidy location that can grow with your collection! Just stack one of these for every pair you have - as an added bonus, you can also store stuff inside the tube! Gold, money, dirt, precious gems or whatever...
So, make sure you share a pic if you happen to print one out (it makes my day each time someone prints something I designed) and be sure to peruse my other submissions which are almost as varied as they are many:
http://www.thingiverse.com/3E8/designs
Enjoy!
March 19th, 2016 update: I have published a simpler version of this purpose here, if you have some extra 2" PVC pipe lying around that you don't want to throw away: