Mounting bracket for ASLONG JGA25-371 12V DC 201 RPM gearmotor with
quadrature encoder. OpenSCAD file provided of both gearmotor and
bracket. Mounts with 2x M3 x 5 mm screws, and an optional zip tie
around the body of the motor and a hole in the bracket. This motor is
not silent, but it is quieter than some. It is available from ebay, or
seeedstudio.com