anet a8 y belt tensioner 3D printable model by CH35C0

anet a8 y belt tensioner

Source: Thingiverse by CH35C0

The anet a8 y belt tensioner is a free printable 3D model from Thingiverse by CH35C0. I redid this because the original one didn't fit my printer for a mm in the z axis (the arms should be 7.25 with a gap of 12mm and they were off). You can download the STL file from the original listing below and print it at home.

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83 saves Source: Thingiverse Updated 2026-04-17

Tags: anet, a8, y, belt, tensioner

About this model

I redid this because the original one didn't fit my printer for a mm in the z axis (the arms should be 7.25 with a gap of 12mm and they were off). The design is using the same system (so I'm keeping the plate and screw that I had already printed from elfco's version and discarding the arms that didn't fit) and mixed it with the original that came in the printer in Illustrator. After printing I olnly had to remove the raft (the one created in MatterControl only needed a snap...it was awesome and really smooth) and it fit perfectly.

Frequently asked questions

Is this 3D model free to download?
Yes. anet a8 y 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 CH35C0.
Who made this model?
Designed by CH35C0, 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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