About this 3D model

This mod allows you to mount 3x 3A batteries instead of the regular 9V battery. there is also enough place to mount a small motor driver and reduce the amount of shields on the Arduino. The model is designed to fit this motor driver: https://goo.gl/v8ADzU you will need some Prong Fastener (like these ones https://goo.gl/KCKwi9)