Compact Bowden Extruder, direct drive 1.75mm 3D printable model by schlotzz

Compact Bowden Extruder, direct drive 1.75mm

Source: Thingiverse by schlotzz

The Compact Bowden Extruder, direct drive 1.75mm is a free printable 3D model from Thingiverse by schlotzz. A compact direct drive bowden extruder for 1.75mm and a MK8 style hobbed pulley. You can download the STL file from the original listing below and print it at home.

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123 saves Source: Thingiverse Updated 2026-04-15

Tags: Compact, Bowden, Extruder, direct, drive, 1.75mm

About this model

A compact direct drive bowden extruder for 1.75mm and a MK8 style hobbed pulley. The OpenScad is almost completely parametrizable, so it can be adjusted to fit other hobbed pulleys as well. The mounting plate can be removed from OpenScad easily. I have used a 13x8mm, 5mm bore brass hobbed pulley, because it was easy to acquire here in Germany. The used MK8 style hobbed pulley can be ordered at the following websites: - - Note: I ordered a suitable compression spring later, so it's not visible on all of the images. UPDATE 2015-10-13: Designed alternative idler to solve breaking of bearing support UPDATE 2015-03-17: Updated idler for better MK7 drive gear support UPDATE 2014-11-13: Added push-fit bowden inlet option UPDATE 2014-09-22: Fixed OpenScad file due to non-manifold vertexes between …

Frequently asked questions

Is this 3D model free to download?
Yes. Compact Bowden Extruder, direct drive 1.75mm is free to download from Thingiverse. Click the "Download free STL" button above to open the original listing.
Where is the STL hosted?
The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by schlotzz.
Who made this model?
Designed by schlotzz, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?
Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.

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