Is this 3D model free to download?

Yes, CR-10 Extruder Coupling is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Thingiverse. Use the "Download from Thingiverse" link on this page to open the original listing and grab the file, or save it to your print queue in the free Thinger app.

Designed by bert_lz, published on Thingiverse. Please credit the creator when sharing your print.

Can I print this at home?

Yes. This is a printable 3D model intended for home FDM and resin printers. Check the original listing for suggested print settings.

CR-10 Extruder Coupling 3D printable model by bert_lz

CR-10 Extruder Coupling

Source: Thingiverse by bert_lz

The CR-10 Extruder Coupling is a free printable 3D model from Thingiverse by bert_lz. Replaces the PC4-M6 Pneumatic Fitting Push to Connect, which always tended to loosen the Bowden tube. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

689 saves Source: Thingiverse Updated 2026-10-15 License: CC-BY · commercial OK 9 makes Category: 3D Printer

Tags: CR-10, Creality, Ender 3, filament, pc4-m6

About this model

Replaces the PC4-M6 Pneumatic Fitting Push to Connect, which always tended to loosen the Bowden tube. With this part the Bowden tube now holds bombproof. The M6 thread should not be tightened too much. The nut for the Bowden hose can be tightened to provide a secure hold. Use a second open-end wrench to hold it in place! 05.04.2019: bowden_fitting_m6-101,5p-adapted.stl added - M6 thread is 101,5% thicker for better hold. M6-distance.stl added in case the tension of the Bowden tube always loosens the M6 connection by itself. 28.05.2019 In case the part breaks off again and again at the m6 thread: I have now added the file "CR-10 Extruder Coupling.stl". This has to be fixed with a cut off Nozzle Throat (including inner Teflon). This holds now bomb-proof and there is no more breaking! Ebay: -…

Frequently asked questions

Is this 3D model free to download?: Yes. CR-10 Extruder Coupling is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link 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 bert_lz.
Who made this model?: Designed by bert_lz, 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.