OpenRC Airless Rims for Martian Rover

This is a variant of the wheel hub for the 1:10 Truggy Airless Wheels found here:

http://www.thingiverse.com/thing:523776

These are designed to move the motor inside the wheel to minimize the motor sticking out the back of the rocker. Designed for these motor adapters:

https://www.pololu.com/product/2684