Is this 3D model free to download?

Yes, Mechanical Planetarium - Tuned 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 HackerJack42, 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.

Mechanical Planetarium - Tuned 3D printable model by HackerJack42

Mechanical Planetarium - Tuned

Source: Thingiverse by HackerJack42

The Mechanical Planetarium - Tuned is a free printable 3D model from Thingiverse by HackerJack42. This is an optimized version of the "Mechanical Planetarium" model by Zippitybamba. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

5,726 saves Source: Thingiverse Updated 2026-10-15 License: CC-BY-NC-SA · non-commercial 53 makes Category: Education & Science

Tags: orrery, planets

About this model

This is an optimized version of the "Mechanical Planetarium" model by Zippitybamba. I printed a few parts of the original model on my Prusa I3 MK3S, and I wasn't satisfied with how they fit. This sent me down a rabbit hole of refactoring and tuning the file until I could print it with insanely low tolerances of about 0.12mm on average. The original model is truly excellent and deserves to be on the main page for a long time. I put in a lot of time tuning this, so I thought I should share what I've done. A quick summary of edits: - Combined the base and upper mechanism into one file. - Added toggles for rendering each object. - Refactored source for ease of reading and editing. - Switched to the English fork of "Getriebe.scad" named "Gears.scad". Translated by Chris Spencer. - Added several…

Frequently asked questions

Is this 3D model free to download?: Yes. Mechanical Planetarium - Tuned 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 HackerJack42.
Who made this model?: Designed by HackerJack42, 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.