Colorado student designs 3D-printed door stopper for police

The device quickly clips onto the outside of a door, preventing it from shutting. It's small enough to be held in a police vest, and it's lightweight and durable.

Related Keywords

Jeff Cislo ,Nicholas Dimercurio ,Mountain Vista High School In Highlands Ranch ,Douglas County Sheriff Office ,Wichita State University ,Inside Mountain Vista High School ,Highlands Ranch ,Douglas County Sheriff ,Wichita State , ,Dvr ,Ox31 ,Ox News Denver ,