Sun, Earth and Moon Model (Tellurion / Orrery) With 3D Printed Parts

Hi again,In this instructable I will describe the design and build of a mostly 3D-printable tellurion (a special class of orrery) which shows how the Earth and Moon revolve about the Sun, about each other and how they rotate on their axes. I've always had an interest in these devices, both technical...By: dr_philContinue Reading »

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