A maker by the name of WidgetWizard has 3D printed an astoundingly intricate motorized orrery complete with 8 planets and their respective moons. While these apparatuses have been used throughout modern history to illustrate the relative motion, size, and orbit of the planets – both in relation to each other, and to the sun – […]
Source: The 3d printers sourcefrom The 3d printers source http://ift.tt/2uaMrW9
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