Is this 3D model free to download?

Yes, ANET A8 X-Belt Fixer-Tensioner 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 Col04, 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.

ANET A8 X-Belt Fixer-Tensioner 3D printable model by Col04

ANET A8 X-Belt Fixer-Tensioner

Source: Thingiverse by Col04

The ANET A8 X-Belt Fixer-Tensioner is a free printable 3D model from Thingiverse by Col04. NEW VERSION AVAILABLE HERE: This device replaces the two bolts/cable ties mechanism for fixing the ANET A8 x-belt to the extruder carriage. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

340 saves Source: Thingiverse Updated 2026-10-17 License: CC-BY-NC-SA · non-commercial 11 makes Category: 3D Printer

Tags: Anet A8, anet a8 mods, anet a8 parts, anet a8 upgrade

About this model

NEW VERSION AVAILABLE HERE: This device replaces the two bolts/cable ties mechanism for fixing the ANET A8 x-belt to the extruder carriage. It allows very quick tension adjustments without the need for complicated tensioning mechanisms. This is a ground-up remake of the part designed by BoldBadger that I built in TinkerCAD. I loved the simplicity of BoldBadger's design, but the inwardly repositioned gripper mounts made it impossible for me to fit without buying a longer belt (I obviously cut mine too short). My take on the design is to move the gripper mounts outwards, back in line with the original bolts so you can use your existing belt. There are two versions: The first version was based on BoldBadger's dimensions, which needs a M3 x 12mm bolt; the second uses the existing M3 x 18mm wit…

Frequently asked questions

Is this 3D model free to download?: Yes. ANET A8 X-Belt Fixer-Tensioner 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 Col04.
Who made this model?: Designed by Col04, 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.