YASS - Yet Another Spool Stand

I was inspired by several filament holder's on Thingiverse. I tried PHIL (http://www.thingiverse.com/thing:996398), but I wanted a complete tray and I wanted the rollers a little farther apart and bigger diameter.

So I came across @pcdangio's Universal Filament Holder (http://www.thingiverse.com/thing:1185076) that uses wide rollers so you can set a bunch of different width rolls on it. But, I wanted to have a lot smaller part list so that assembly was faster and use fewer fasteners. So I