The scary thing about the metal 3D printed gun is the attitude of the media. For example, this article by the Huffington Post.
Now There's A 3D-Printed Gun Made Out Of Metal, And We're Doomed
Maybe it was supposed to be tongue-in-cheek, but coming from the Huff Post, I doubt it.
Now There's A 3D-Printed Gun Made Out Of Metal, And We're Doomed
Maybe it was supposed to be tongue-in-cheek, but coming from the Huff Post, I doubt it.