Printrbot Simple Metal Z axis filament spool holder

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v2.8 is out and working great. 2.8 & 2.7 are the exact same, besides the spool tab holder. I moved it back a bit to accommodate larger spools. Bumat specifically. It still worked fine with my adapters I had made (which i can upload on here if needed); however I wanted to make it easier on anyone else, just incase.
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I recommend the filament guide, its in the links below. It keeps the filament in line and on the hobbed