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November 6, 2014 AT 5:00 am

Printrbot releases new Double-Drive Extruder and Ubis All Metal hotend #3DThursday #3DPrinting

Printrbot’s Double Drive Extruder – two drive gears with one stepper motor. no spring, just the perfect width grooves in two drive gears. We did all sorts of mods – some good some bad- to print Ninja flex. This totally solves it. And does away with all tensioning springs which was an opportunity for error. We hope everyone adopts it for better user experience.

Ninja flex didn’t exist when we started 3 years ago… And I wasn’t aware of it when we designed the extruder. We are rolling with the punches. I am really happy to see interest in new materials and glad our new metal Ubis can print them. Btw- polycarbonate is no problem. When you get up and over 300C, you need a thermocouple to stay accurate. Carl is finalizing a special little pcb to handle that if you want to play.

read more on: Brook Drumm’s Channel


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