Is this 3D model free to download?

Yes, Otto Jr. is free to download from Printables. Open it in the free Thinger app, or use the "Download from Printables" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Printables. Use the "Download from Printables" 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 Extrude Labs, published on Printables. 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.

Otto Jr. 3D printable model by Extrude Labs

Otto Jr.

Source: Printables by Extrude Labs

The Otto Jr. is a free printable 3D model from Printables by Extrude Labs. A micro version of Microsoft's Otto Robot. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Printables

30 saves Source: Printables Updated 2026-10-12 License: CC-BY-SA · commercial OK Category: Vehicles & RC

Tags: robot, diy, wifi, children, kids, fun, school, gadgets, easy, electronics, controller, esp32, robotics, remote, diyelectronics

About this model

A micro version of Microsoft's Otto Robot. Easy to print, code and make with my guide. WIFI controllable up to 30m

Frequently asked questions

Is this 3D model free to download?: Yes. Otto Jr. is free to download from Printables. Open it in the free Thinger app, or use the "Download from Printables" link above to open the original listing.
Where is the STL hosted?: The download is hosted by Printables, not by Thinger. We link you directly to the original listing by Extrude Labs.
Who made this model?: Designed by Extrude Labs, published on Printables. 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.

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