Bitcraze Crazyflie washer
thingiverse
An attempt at humor, here's my effort to combat the Bitcraze Crazyflie's impacted bearing syndrome issue. A suitable solution is a 0.7mm-high plastic washer with an internal diameter of 2.5mm and an outer diameter less than 6mm. Opt for plastic over metal due to weight concerns. To apply, print the washer and position it between the Crazyflie motor bearing and propeller. You can also use a regular plastic washer with similar dimensions for the same purpose.
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