Mechanical Planetarium
Source: Cults3D by Zippityboomba
The Mechanical Planetarium is a free printable 3D model from Cults3D by Zippityboomba. A working planetarium*, modelling the orbits of the inner 6 planets and the Moon. You can download the STL file from the original listing below and print it at home.
About this model
A working planetarium*, modelling the orbits of the inner 6 planets and the Moon. One rotation of the dial equals 14 days of movement. Accuracy (orbital period in Earth days, actual / model) Mercury 87.97 / 86.31 Venus 224.70 / 224.87 Earth 365.26 / 365.26 Mars 686.98 / 688.65 Jupiter 4332.80 / 4325.32 Saturn 10755.70 / 10787.85 This model is based on plans for a mechanical planetarium shared by Ken Condal ( I have adjusted the gear ratio for Venus for better gear meshing, at the cost of ~1.5 days accuracy in the orbit of Mercury. Watch the following video for how to assemble the gear train: In addition to the printed parts you will need M3 screws, 5 and 10mm, about 10 of each ought to do it. I painted the planets with dollar store nail polish. Success with this project will depend on orga…
Frequently asked questions
- Is this 3D model free to download?
- Yes. Mechanical Planetarium is free to download from Cults3D. Click the "Download free STL" button above to open the original listing.
- Where is the STL hosted?
- The download is hosted by Cults3D, not by Thinger. We link you directly to the original listing by Zippityboomba.
- Who made this model?
- Designed by Zippityboomba, published on Cults3D. 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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