ENDER 3 PRO Belt Tensioner 100,000+ downloads :) 3D printable model by Misterguru
ENDER 3 PRO Belt Tensioner 100,000+ downloads :) photo 1 ENDER 3 PRO Belt Tensioner 100,000+ downloads :) photo 2 ENDER 3 PRO Belt Tensioner 100,000+ downloads :) photo 3 ENDER 3 PRO Belt Tensioner 100,000+ downloads :) photo 4 ENDER 3 PRO Belt Tensioner 100,000+ downloads :) photo 5 ENDER 3 PRO Belt Tensioner 100,000+ downloads :) photo 6 ENDER 3 PRO Belt Tensioner 100,000+ downloads :) photo 7

ENDER 3 PRO Belt Tensioner 100,000+ downloads :)

Source: Thingiverse by Misterguru

The ENDER 3 PRO Belt Tensioner 100,000+ downloads :) is a free printable 3D model from Thingiverse by Misterguru. Also see the ENDER 3 PRO X Belt tensioner at This thing UPDATED 1-30-19 -- upper portion was colliding with bed guide wheels. You can download the STL file from the original listing below and print it at home.

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9,754 saves Source: Thingiverse Updated 2026-09-12 License: CC-BY · commercial OK 37 makes Category: 3D Printer

Tags: belt adjustment, Belt Tensioner, belt tightener, Ender, Ender 3 Pro, misterguru, tensioner, y belt tensioner

About this model

Also see the ENDER 3 PRO X Belt tensioner at This thing UPDATED 1-30-19 -- upper portion was colliding with bed guide wheels. I love the design by MakeChetti! The main fixture body was modified, lengthened and 2 "stakes" added for the 40/40 rail under the bed of the Ender 3 Pro. The slide is 1.25mm longer and a little narrower in the cavity to fit the bearing that came stock with my Ender 3 Pro. Also the adjustment nut was remade with the same 24mm / 2mm pitch and clearanced .2mm - it was too tight on my print. This nut will work well with the original. It is a little larger in diameter and only 12 dimples. STL Files and STEP files included in case you need to modify it - the threads should be ok with the added clearance , if not stretch or shrink the X-and Y axis on your slicer * I used a…

Frequently asked questions

Is this 3D model free to download?
Yes. ENDER 3 PRO Belt Tensioner 100,000+ downloads :) 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 Misterguru.
Who made this model?
Designed by Misterguru, 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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