We love this hacked-together mini drill by [BuenaTec] that ... read up on this brushless motor made from 3D-printed parts and this guide to hand-winding quadcopter motors.

Integrating two 5Ah or 12Ah batteries for up to 600 unscrewing cycles, the brand-new, patented, vibration absorption technology of its chassis offers a great reduction in hand/arm vibration ... The ...