Uploaded January 2023 | Updated September 2026, 2 weeks ago

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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: jkbrickworks.com
Patreon: patreon.com/JKBrickworks

#lego #engineering #trammel