Is this 3D model free to download?

Yes, VORON Flex Bowden Extruder 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 russiancatfood, 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.

VORON Flex Bowden Extruder 3D printable model by russiancatfood

VORON Flex Bowden Extruder

Source: Thingiverse by russiancatfood

The VORON Flex Bowden Extruder is a free printable 3D model from Thingiverse by russiancatfood. Overview: __UPDATE:__ __REV A1__: Enlarged the hole for the set screw in case the motor shaft is not keyed (D shaped). You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

1,306 saves Source: Thingiverse Updated 2026-10-25 License: GPL · commercial OK 15 makes Category: 3D Printer

Tags: flex extruder

About this model

Overview: __UPDATE:__ __REV A1__: Enlarged the hole for the set screw in case the motor shaft is not keyed (D shaped). __REV A__: I've ran into some issues with the design when it comes to flexible filament, and fixed them. The flex filament still has some path to get around the drive gear, because the piece of PTFE tube could be pushed up. The tubes also likes to be pulled down. The solution was to shape a channel for the filament in printed plastic, and add a bolster that filled the space between the top curve of the drive gear's tooth channel. Now the flexible filament will just slip, like any filament should, instead of jamming the gear. Also added 3mm versions of parts that needed modification I finally have an extruder I'm happy with. Easy access, and 70mm/s retract speeds. Oh, and I…

Frequently asked questions

Is this 3D model free to download?: Yes. VORON Flex Bowden Extruder 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 russiancatfood.
Who made this model?: Designed by russiancatfood, 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.