Test of chain drive system for Ghost Trap doors.
Thanks to Dremel for sponsoring this project.
Print your own Trap here: http://www.thingiverse.com/thing:1394492
Get assembly hardware for Trap here: Learn more about the Trap here: https://www.etsy.com/shop/CharlesworthDynamics
Learn more about the Trap here:
http://www.tested.com/art/makers/565510--depth-3d-printed-ghostbusters-ghost-trap/
