Is this 3D model free to download?

Yes, 3D printable high torque servo/gearbox version 2 is free to download from MyMiniFactory. Open it in the free Thinger app, or use the "Download from MyMiniFactory" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by MyMiniFactory. Use the "Download from MyMiniFactory" 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 Brian Brocken, published on MyMiniFactory. 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.

3D printable high torque servo/gearbox version 2 3D printable model by Brian Brocken

3D printable high torque servo/gearbox version 2 photo 1

3D printable high torque servo/gearbox version 2 photo 2

3D printable high torque servo/gearbox version 2 photo 3

3D printable high torque servo/gearbox version 2 photo 4

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3D printable high torque servo/gearbox version 2

Source: MyMiniFactory by Brian Brocken

The 3D printable high torque servo/gearbox version 2 is a free printable 3D model from MyMiniFactory by Brian Brocken. Video can be found here: Editable Fusion 360 source files can be found here: This servo/gearbox is the new and improved version of my original gearbox design ( The original one. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from MyMiniFactory

88 saves Source: MyMiniFactory Updated 2026-10-29 License: CC-BY-NC-ND · non-commercial

Tags: mechanics, arduino, electronics, gears, mechanical, motor, nano, robot, Heavy, gear, servo, drive, Reduction, servomotor, gearbox

About this model

Video can be found here: Editable Fusion 360 source files can be found here: This servo/gearbox is the new and improved version of my original gearbox design ( The original one had a gear ratio of 30:1 and the speed of the output shaft was about 715 RPM which made it difficult to tune in the right PID parameters. This new version has a gear ratio of about 162:1 which lowers the speed and increases the torque of the output shaft. I choose to go for double helical gears on this one because they produce a lot less noice than regular spur gears and the forces on the teeth are transferred more gradually. The gears rotate around a 6mm stainless steel shaft which is lubricated with bearing grease. Ideally all the gears should have some bearings, this is being considered for the next moment. Unlik…

Frequently asked questions

Is this 3D model free to download?: Yes. 3D printable high torque servo/gearbox version 2 is free to download from MyMiniFactory. Open it in the free Thinger app, or use the "Download from MyMiniFactory" link above to open the original listing.
Where is the STL hosted?: The download is hosted by MyMiniFactory, not by Thinger. We link you directly to the original listing by Brian Brocken.
Who made this model?: Designed by Brian Brocken, published on MyMiniFactory. 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.