Designed for OpenBuilds Routy CNC Router to be mounted on V-slot. Can be used with Shapeoko, Shapeoko2. All parts should just click on together. Driver part of the box got removable sides for easy wiring and cooling holes - two different designs included. Arduino with shield mounted to the bottom part with 4 M3x20 bolts and little spacers. Box is mounted onto V-slot with M5 bolts and T-nuts.