Monoprice Mini Delta Simple Topmount Spool Holder

Top mount spoolholder for Monoprice Mini Delta. Design is simple and easy to print on the small bed of this printer. Based on gammarostock's filament holder for [his delta rostock mini pro 2](https://www.thingiverse.com/thing:1660599)
Total you need
6x M3 bolts and washers
6x M5 bolts and nuts
6x 625ZZ bearings. I tried printing bushings in PLA and they don't work super great. Might be able to get away with it for the horizontal ones, but I would get proper bearings for the vertical one