Quadcopter motor pliers
thingiverse
I should not upload this, as it's pretty crappy looking, not symmetrical tool, designed in 10 minutes, but oh well, it helped to remove nut that was stuck, without any demage to a motor. I glued 6x2 silicone hose bits to make it grip better and not to demage the motor. Made in 2 pieces so its easy to fit under propeller. Made for 2207, but should work on few sizes up and down.
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