Hamster wheel
thingiverse
Just another silent hamster wheel. The diameter is 164 mm You will need a M8x80 screw, nuts, washers, two 608 ball bearings and a toothpick. You may also need to apply sandpaper to the ball bearing seats to perfect fit. Cut the toothpick in two 22 mm lenght parts and use these to set the correct position of the ball bearings. Fix the wheel to your hamster cage and... have nice and quiet nights! :-)
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