These are the gears I have used to create the earth arm of the orrery

These are the gears I have used to create the earth arm of the orrery

thingiverse

The gears provide earth rotation, moon rotation around the earth and earth tilt as it goes round the sun Instructions I have a spreadsheet that describes the ratios

Download Model from thingiverse

With this file you will be able to print These are the gears I have used to create the earth arm of the orrery 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 These are the gears I have used to create the earth arm of the orrery.