Website: thingiverse
Author: Zippitybamba
Price: Free Download
File format: .Stl 3d printable
Description:
A working model armillary sphere for calculating location and timing of celestial events. For any latitude on the planet, allows you to predict the location on the horizon where the sun will rise and set, the time it will rise and set (relative to local solar noon), and the height of the sun in the sky at any given time