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Herringbone Planetary Gears Fidget Spinner
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A compact print-in-place planetary gear that works as a smooth fidget spinner.The model features real involute gear profiles with a herringbone tooth pattern for quiet, balanced rotation.No supports, single-color print, and fully functional straight off the bed — no assembly required.Uses minimal material (~26 g PLA) and takes about 1h 45m to print. FeaturesReal involute tooth geometry for smooth meshingHerringbone gears eliminate axial forcesPrint-in-place, no supports or bearingsWorks as a mechanical fidget spinnerLightweight and fast to printIf the gears feel tight after printing, gently free them by rotating side to side. Boost Me
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