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Duality Extruder
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Mashup of some parts I had laying around to be used as an extruder.
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Updated at source:
Model information
- Source
- Printables
- Category
- Other Printer Parts & Upgrades
- License
- GNU General Public License v3.0
Features 2 idler arms, one uses a HGX hob as an idler to bend the filament, the other uses 2 ball bearings to grip.
Sherpa Mini mounting pattern with an extra 3rd screw in the back, K-face support wip.
Only Step and STL files for now.
You'll need:
Base:
- set of BMG drive gears
- HGX 1.0 kit (separatable Papilio kind)
- 4 3 mm ID 5 mm OD needle bearings
- 3x 3x20 mm pin (one of them can be 24 mm for the idler pivot)
- HGX set spring tensioner
- HGX set heatset inserts
- HGX set bowden tube clip
- nema 14 8 or 10 teeth stepper motor
- 2x 683 bearings
- screws
Idlers arms:
Big hob:
- harvested HGX hob
- needle bearing
- 3x16 mm pin
Dual bearing:
- 2x 683 bearings
- 2x 3x8 mm pin (use a 20 mm pin and cut it into 2 pieces)
- 3x16 mm pin
Credits (inspiration, support, etc) to:
- https://github.com/jrlomas/miro-extruder
- https://github.com/ProtaDec/Omni-Micro/tree/main
- https://www.printables.com/model/1236812-boombox-the-best-bowden-extruder-on-earth
- https://www.printables.com/model/436425-protoxtruder
- everyone who listened to my discord ramblings
Thank you all