Is this 3D model free to download?

Yes, Ender 3 Y Axis Idler reinforced 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 starfox64, 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.

Ender 3 Y Axis Idler reinforced 3D printable model by starfox64

Ender 3 Y Axis Idler reinforced

Source: Thingiverse by starfox64

The Ender 3 Y Axis Idler reinforced is a free printable 3D model from Thingiverse by starfox64. This is a remix of jwalbridge's excellent idler bracket for the Ender 3. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

197 saves Source: Thingiverse Updated 2026-10-17 License: CC-BY · commercial OK 2 makes Category: 3D Printer

Tags: creality ender 3, Ender 3, Ender3, idler, strong, upgrade, Upgrade Ender 3, y-axis, y idler

About this model

This is a remix of jwalbridge's excellent idler bracket for the Ender 3. My belt was dragging on the Y beam, and I wanted to free it up. I also wanted to print mine in PLA and discovered that it was a little weak with the tightness I had my belt set to. All I've done is remix the existing part so that the cylinder the pulley rides on is extended and solid (added small reinforcement and pulley alignment to the base). Then I added a mirrored Female side which connects with the male side. I tested it on my Ender 3 and the setup is very strong and does not flex when I tighten the belt. I created this with a tuned Ender 3. The fit is snug, but I didn't have to force the parts together. If anyone has a problem with fitment on an untuned Ender 3, I can expand the female side. I didn't test it on …

Frequently asked questions

Is this 3D model free to download?: Yes. Ender 3 Y Axis Idler reinforced 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 starfox64.
Who made this model?: Designed by starfox64, 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.