Customizable Fidget Stick / Spinning Axle
thingiverse
I put this back as a work in progress because the connection between the nub and the stick didn't hold well with just hot glue after repeated use. To improve it, I plan to update the design by changing the way they connect. To customize the stick height and radius, you can adjust them to suit your needs. If you make any modifications, please share a picture so I can see how it turned out! This appears to be a Spinning Axle, according to this Indiegogo project: https://www.indiegogo.com/projects/dawson-precision-spinning-axle#/ It's an interesting design. Fortunately, it won't cost you $170. I also added fillet versions that I edited in 123D to make the edges look nicer.
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