Is this 3D model free to download?

Yes, Gear Trio version 3 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 ThreeHamsWillKillHim, 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.

Gear Trio version 3 3D printable model by ThreeHamsWillKillHim

Gear Trio version 3

Source: Thingiverse by ThreeHamsWillKillHim

The Gear Trio version 3 is a free printable 3D model from Thingiverse by ThreeHamsWillKillHim. Just a fun fidget toy, 3 gears in a box. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

1,843 saves Source: Thingiverse Updated 2026-10-18 License: CC-BY-NC · non-commercial 29 makes Category: Toys & Games

Tags: fidget, Gear, gears, inertia, keychain, toy

About this model

Just a fun fidget toy, 3 gears in a box. I've made 7 versions already (see some examples in the last picture) but I like this one the best so far, in terms of feel and inertia. If I come up with a better one, I'll upload as another version. Keep in mind there are already lots of similar gear toys here, which I've downloaded and learned from. Btw the ratio here is 1:7.5. Make sure everything turns smoothly, then heat and spread the two pin segments to lock each gear in the box. A slight bend outward should suffice to hold in the gears. I use a torch lighter (very useful anyway in cleaning PLA) because a regular flame will melt and blacken the PLA too quickly. To do without one, I guess I would use a knife dipped in boiling water. I didn't add a keychain ring because it's kind of bulky and m…

Frequently asked questions

Is this 3D model free to download?: Yes. Gear Trio version 3 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 ThreeHamsWillKillHim.
Who made this model?: Designed by ThreeHamsWillKillHim, 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.