Mariner's Astrolabe
Description
A nice, large (10"/255 mm) astrolabe based on the ones used in the 13th-16th centuries by mariners to find their latitude. WARNING: DO NOT LOOK DIRECTLY AT THE SUN THROUGH THE PINHOLES! I recommend printing the mother board and the alidade in contrasting colors to make it easier to read the angle. The mother board uses roughly 174 g of filament. The alidade (pointer) uses about 17 g of filament. How to use a mariner's astrolabe: https://exploration.marinersmuseum.org/object/astrolabe/
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