Antikythera Mechanism Desk Model
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Description
A simplified, life-size-style display model of the Antikythera mechanism: an upright case with a round front dial, a pointer, an open-backed gear train and a rear hand crank.
- Case 180 x 90 x 190 mm, open at the back to show the gears
- 130 mm front dial with ring grooves and 60 tick marks
- Nine spur gears (20 to 48 teeth, module 1.25) arranged in three layers, with phase-matched teeth so they mesh
- Fixed 4 mm pegs on the front wall carry the compound gears; the main 48-tooth gear is fused to a 6 mm axle that drives the front pointer
- Rear bearing bar supports the axle, with a crank handle on the back
The gear train is a stylised interpretation, not a tooth-accurate copy of the original 30-plus gear mechanism. Print the case, dial, gears, axle and crank separately; the compound gears sit loose on their pegs with 0.3 mm clearance.
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