The mood in the room after an early Sundance screening of Adam Bhala Lough’s The New Radical was polite, but a little icy.

A federal appeals court ruled Tuesday against Defense Distributed, the Texas organization that promotes 3D-printed guns, in a lawsuit that it brought last year against the State Department.

Cody Wilson’s Ghost Gunner milling machine makes the most crucial element of an assault rifle. It costs just $1,500 and there’s a waiting list to get it.