Thingiverse
Mariner's Astrolabe
by SloopJohnD
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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/
UPDATE: 11/7/2025 - I apologize for the delay in responding to your comments; I was out sailing and lost track of time!
An updated version of the Mother is now loaded with the degrees marked on it. Please let me know how you like the build!
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/
UPDATE: 11/7/2025 - I apologize for the delay in responding to your comments; I was out sailing and lost track of time!
An updated version of the Mother is now loaded with the degrees marked on it. Please let me know how you like the build!
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