This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/8V2MZL3x6b8

remix from http://www.thingiverse.com/thing:1381854

i wanted to be able to stack my games without a wall mount and to be able to increase the high when i had more games.
this design let you stack it for single or dual boxes but i dont think you can get over 3 layers of games without compromising the balance of the tower.

the "double stack no support" like the name says should print without support because of the "arch" but i cannot garantie it until i try