Danilo wrote:
3D printing may be what our overindustialized and worn-out nation needs for revitalize its GDP potential. Imagine, instead of sending work overseas, it can be done in a small office environment.
Forget the guns. It's illegal for you or I to manufacture the "lower receiver" of an AR-15 (the "gun" part of the gun) by any method. Let's consider productive, profitable product utilizing this new technology.