Glue stick holder

This was designed to work the the Qidi Tech 3D printer, but should also work on the Flash Forge Creative Pro and other clones of the Makerbot Replicator 2.

Holds 3 Elmer's glue sticks on the side of your 3D printer. If you're looking to use the XL glue sticks, check out [this one](http://www.thingiverse.com/thing:1557582) instead.

Reversible! So it can go on either side of the corner of your choice. That's 18 different locations.

UPDATE 6/23/2016: Extended the back section so that it ca