Hey! This thing is still a Work in Progress. Files, instructions, and other stuff might change!

JGR direct drive 1.75mm extruder (updated 14/3/2013)

by thejollygrimreaper, published

JGR direct drive 1.75mm extruder (updated 14/3/2013) by thejollygrimreaper Dec 8, 2012



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This is my direct drive extruder, for 1.75mm filament, it uses a spring from an artline pen and a machined filament drive,


1 - print object
2 - mount stepper motor
3 - clear out springslot and install artline spring
4 - mount on reprap carriage
5 - install hotend
6 - print somthing

filament drive available from www.3dindustriesaustralia.com.au and www.trinitylabs.com
now features two aditional hole for my to be released vertical x axis (v6)
*works with mk7 drive gears


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This works great for me. I used the pen clip pulled from a Uni-ball Rollerball pen cap. I converted my old Prusa I2 3mm Wades extruder to this 1.75mm JGR direct drive extruder and a e3v6 head. Thanks for sharing this!