Prusa MK3, MK2S X-Axis Belt Tensioner
Source: Thingiverse by mhoyt
The Prusa MK3, MK2S X-Axis Belt Tensioner is a free printable 3D model from Thingiverse by mhoyt. I had a difficult time getting the belt tension I was looking for when assembling the MK3 printer. You can download the STL file from the original listing below and print it at home.
About this model
I had a difficult time getting the belt tension I was looking for when assembling the MK3 printer. I wanted more adjustment then what is available by rotating the stepper motor when tightening. Once assembled it is also difficult to get back in and tighten the belt on the X-Axis carriage. So I designed a simple plate that mounts to the motor and has slots to allow for tightening the belt. Assemble the plate on to the X-Axis motor with (4x) M3 x 10mm screws, I had these in my Spare Parts Bag. Install (3x) of the square M3 nuts (also in Spare Parts Bag) in the slots then assemble to the mount, leave slightly loose. I used a screw driver between the motor and the frame for leverage to get the belt tight and then fully tightened the 3 screws. I also flipped the pulley on the motor around 180 d…
Frequently asked questions
- Is this 3D model free to download?
- Yes. Prusa MK3, MK2S X-Axis Belt Tensioner 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 mhoyt.
- Who made this model?
- Designed by mhoyt, 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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