Holds 3 motors in a clamshell

thingiverse

Designed in tinkercad. You need one to three of the small parts, and 1 of the clamshells. On my printer the cube parts come out ~9.05-9.20mm square, tinkercad specified 9mm exactly. The clamshell's tinkercad was specified to have 9.30mm cubic holes, but my printer was throwing out 8.8-9.15mm holes, so i scaled it up. If you print both of these .stl on a Monoprice Mini Delta, with a roughly accurate extruder, the small parts should fit quite well into the clamshell, and the clamshell should close completely. Sand the faces with holes if not. I used supports on the clamshells. The small parts were designed to hold 3V 1400 RPM "cell phone motors" that lots of people use for brushbots. the motors are 5mmx5mm on the case (except the contacts, but i allowed those to either fit inside the cubes or stay out) and from back to tip roughly 12mm. The small part housing is hollow enough to fit the whole motor in, and the reason for the semi-sphere is it looks like the shaft of the motor may actually have a larger diameter than 5mm. The wiring channels may be too small. whatever, it was just an idea that took 2.5 hours for the first failed print, and another 2 iterations to produce the .stl you see here.