Dry Box for Large Spools with Roll Base

I needed a dry box that would hold two large spools (1 kg). I found a roller base (http://www.thingiverse.com/thing:104983) that I liked however I found that it was for narrow spools so I made one using the same rollers but wider for the wider spools. I made two of the larger ones then hot glued them to the bottom of a plastic box that had a good seal (see photos). Next was to get the filament out of the box and again I found a good design (http://www.thingiverse.com/thing:318580) but had to