Helical Fidget Spinner
thingiverse
Created a 3D printable fidget spinner for my manufacturing dynamics course using helical gears (without bearings) The three outer gears are all left-hand helical gears The center is a right-hand helical gear with a shaft extruding out both ends When setting up, make sure the three outer gear teeth are sloped in the opposite direction to that of the center gear in order for them to mesh correctly. I printed the base and top together, then I printed the three outer gears, and finally the center gear, but it could be done in any order you choose Looking to add caps to cover the clips in the near future Below is a link to the fidget spinner working: https://www.youtube.com/shorts/cliZRghu77w
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