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Bowden tube feeder with filament release mechanism

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3D model description

Bowden tube feeder with filament release mechanism

This is a Bowden tube direct drive filament feeder for 1,75mm filament.
The great thing of this feeder is that it has a quick release mechanic to remove the tension of the filament on the extruder motor. This way you can easily remove en feed filament by hand.

I've made a complete instruction video how to assemble the feeder and explanation of the inner working mechanics:

(One mistake in video: the two 45mm M4 bolds should be 50mm)

Also included is a filament spool holder for extrusion bars

If you use it, please share a picture!

3D printing settings

Print everything without support. Print the visible text by pausing en change filament after the first 3 layers.

See instruction video how to assemble.

Use 2,5cm pipe for the filament spool holder

Feeder parts list:

  • 4 x M3 x 8mm
  • 1 x M4 x 16mm
  • 3 x M4 x 30mm
  • 2 x M4 x 50mm (IS WRONG IN VIDEO!)
  • 2 x M4 x 15mm
  • 10 x M4 Washers
  • 4 x self-locking M4 nuts
  • 2 x M4 nuts
  • 1 x bearing. Dia:13mm W:5mm Hole:4mm
  • 1 x toothed wheel (Felix)
  • 2 x springs Dia:7,5 mm L:15mm (Ikea clothes Pegs)
  • 1 x Nema 17 stepper motor

You can buy the toothed wheel over here:

  • 3D file format: STL
  • Publication date: 2018/11/14 at 14:46





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