Website: thingiverse
Author: tristomietitoredeituit
Price: Free Download
File format: .Stl 3d printable
Description:
Full-auto sentry gun, shoots rubber bands. Youtube: http://youtu.be/YoOh4k-KuBM https://www.youtube.com/watch?v=nvMih-ZmREQ&feature=youtu.be For the software, follow the guide: http://projectsentrygun.rudolphlabs.com