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Rolling Boomerang – 3D printable model from Thingiverse Thingiverse

Rolling Boomerang

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Roll it away from you and it will return, driven by an elastic band motor, powered by a weight.
I used ball bearings, but any weight is O.K.
It runs best on a short haired carpet. If you operate it on a wooden floor, add some elastic bans as tires to prevent it from slipping.
https://youtu.be/25M6-nBWeaM
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Thingiverse
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