Prusa MK3 Filament Spool Bowden Tube 3D printable model by Bigdogbro1

Prusa MK3 Filament Spool Bowden Tube

Source: Thingiverse by Bigdogbro1

The Prusa MK3 Filament Spool Bowden Tube is a free printable 3D model from Thingiverse by Bigdogbro1. I was unhappy with the spool jiggling the frame and nozzle height during printing so I finally finished my spool Bowden tube adapter. You can download the STL file from the original listing below and print it at home.

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94 saves Source: Thingiverse Updated 2026-04-16

Tags: Prusa, MK3, Filament, Spool, Bowden, Tube

About this model

I was unhappy with the spool jiggling the frame and nozzle height during printing so I finally finished my spool Bowden tube adapter. I found the spool holder out on Thingyverse and modified the LH TOP Z-axis bracket to incorporate the tube holder and adapter(A). I used a section of what I believe to be Polyurethane tubing 1/4 inch O.D. - .160" I.D. (leftover from a RO drinking water filter install, McMaster Carr 5648K25) which seems to be slippery enough for the filament to slide thru or get some larger I.D. Bowden tubing. I designed another adapter(B) for the top of the extruder to hold the tubing that is a easy slip fit so it can be pulled off to load or unload the filament. Very happy with the operation. The bracket was designed and integrated with the Prusa MK3 LH Z axis top mount. I …

Frequently asked questions

Is this 3D model free to download?
Yes. Prusa MK3 Filament Spool Bowden Tube 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 Bigdogbro1.
Who made this model?
Designed by Bigdogbro1, 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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