Printrbot Play Spool Upgrade

thingiverse

This is a major upgrade to my Printrbot Play's Spool Holder, adding two 608 bearings inside the spool on top of the existing holder, allowing the spool to spin more freely and preventing large lines up the Z-axis. After printing, you'll need to add: two 608 bearings, four M8 washers (one on each side of the bearing, inside the arches), two M8 1.25 x 25 hex cap bolts, and two M8 1.25 nuts (possibly optional, as an initial test showed that threading the bolt into the print was possible). The file ending in "full" holds two bearings with a connecting spacer between, while the other file is essentially half and holds a single bearing for slightly more modular spacing for different spools. UPDATE: I added a new file called "Key." The Key slides over the nub on the stock Play Spoolholder to help keep the spool from working its way off the holder. The Key prints with the hole at the top, and I used a brim, 10% fill, and 0.3mm layer height for speed. UPDATE MARCH 5, 2016: I added a clip to hold everything in place. As it is, it's a snug fit into the spool holder upgrade, so you might need to scale it down just a hair in one dimension or sand/file it slightly. For me, it was a bit of a press fit and then slide the assembly onto the existing spool holder bracket on your Printrbot Play. Place your filament, and then lock it in with the Key. Printer Settings: Printrbot Play Rafts: Doesn't Matter Supports: Yes Resolution: 0.2mm Infill: 20% or more Notes: I did three shells (1.2mm thick walls) as well as the same for the bottom/top thickness