Michael S. Rosenwald | In a spare bedroom, where an AR-15 rifle leans against the wall, a man is using a 3-D printer no larger than an espresso machine to make plastic rifle parts.
News for the Waking Generation
Michael S. Rosenwald | In a spare bedroom, where an AR-15 rifle leans against the wall, a man is using a 3-D printer no larger than an espresso machine to make plastic rifle parts.
