Trammel of Archimedes Desktop Spinner
A Trammel of Archimedes with three sliders, where the center of the sliders is fixed and the channels rotate. Makes for a fun little desktop spinning toy.
The result is essentially a pair of gears with a 2:1 gear ratio. Unlike a pair of traditional gears, they both rotate in the same direction.
Website: https://jkbrickworks.com
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#lego #engineering #trammel