4 planets
thingiverse
Customized Version of Thingiverse's "Solar System Gearbox" (Thing #53451) Created with Customizer! https://www.thingiverse.com/apps/customizer/run?thing_id=53451 Instructions Using the Following Settings: Twist: 1 Degree Width: 1 Unit Pitch Circle Diameter: 45 Units Tooth Count on Sun: 9 Tolerance: 0.15 Units Teeth Count on Planets: 5 Number of Planets: 4
Download Model from thingiverse
With this file you will be able to print 4 planets with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on 4 planets.