Direct Drive Extruder for Repraps
thingiverse
A direct Drive Extruder based on makerbot's mk7 design which can be used with most of the repraps including prusa i3 and its derivatives. Instructions No Support Needed for all the parts. Can be printed on any reprap. Tested for 3 months, Extrudes perfectly. Use 'U' Groove bearing and multi-tooth gear. Use tight spring. if your spring is loose just download lever stl and modify it according to your needs. Print with PLA or ABS. We have printed in PLA. Good luck, Enjoy and share it.
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