Is this 3D model free to download?

Yes, Wolfrom 35 to 1 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 sasquatch_0321, 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.

Wolfrom 35 to 1 3D printable model by sasquatch_0321

Wolfrom 35 to 1

Source: Thingiverse by sasquatch_0321

The Wolfrom 35 to 1 is a free printable 3D model from Thingiverse by sasquatch_0321. Wolfrom 35 to 1 A very compact Wolfrom-type compound planetary gearbox with stepped planets, designed for 3D printing. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

30 saves Source: Thingiverse Updated 2026-10-28 License: CC-BY-SA · commercial OK Category: 3D Printer

Tags: Gear, gearbox, gears, mechanical, mechanics, mechanism, nema17, planetary, Planetary Gear, Planetary Gearbox, stepper, stepper motor, stepper motor mount

About this model

Wolfrom 35 to 1 A very compact Wolfrom-type compound planetary gearbox with stepped planets, designed for 3D printing. It reaches a 35:1 reduction in a Ø59.5 mm package only 29 mm tall, made to sit on a pancake NEMA 17. It needs no off-the-shelf bearings: the output ring rides on a built-in ball bearing made of 25 steel balls running in a race printed into the housing. Features - Reduction ratio: 35:1 (exact value 319/9 = 35.44:1; output turns in the same direction as the motor) - Type: Wolfrom planetary with 4 stepped planets, no carrier - Gears: Spur, module ≈ 1.4 - Output bearing: 25 × 7/32" (5.5 mm) steel balls in a printed race - Output mounting: 4 × M4 heat-set inserts on a Ø18 mm bolt circle - Size (without motor): Ø59.5 × 29 mm - Input: Pancake NEMA 17 by default, any motor can be …

Frequently asked questions

Is this 3D model free to download?: Yes. Wolfrom 35 to 1 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 sasquatch_0321.
Who made this model?: Designed by sasquatch_0321, 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.