Direct drive extruder for Printrbot with Ubis hotend, NEMA 17, MK8 gear
Description
Remake To Fit With Printrbots And Ubis Hotends. All Printrbot Jr Owners Should Use The Base Jr Http://Www.Youtube.Com/Watch?V=Xb7Hpecxst4 Quick Filament Change Http://Www.Youtube.Com/Watch?V=V1Fkht_6Mmu Update 11/2013: Added A Baseversion With Fanmount. Sometimes The Filament Got Stuck In The Lower Basetube. With This 60Mm Fan I Had No Issues. Download The Counterclock Version If Your Mk8 Gear Turns Counterclockwise To Extrude, Otherwise Download The Clockwise Version
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