HTC Vive Clazer VR clay simulator Shotgun Holder

This is a shotgun based holder for the Vive controller, Specifically made for Clazer: a realistic VR Clay Shooting simulator: https://clazer.club/
I tried other gun based Vive controllers but Clazer needs the controller to be horizontal and level. I used two components from the Vive Rifle Controller for HTC by cmbg78's , published Jul 30, 2016: 1. The stock http://www.thingiverse.com/thing:1696655 and 2. the Vive rifle stock attachment http://www.thingiverse.com/thing:1696715/#files. The