In the wake of the mass killing at the Pulse nightclub in Orlando, gun regulation has once again become a national conversation. This is without a doubt an important conversation to have, but it is important to keep the conversation focused on facts, not derailing topics that are not related to the problem. 3D printed guns are not a viable way for a criminal to acquire weapons, neither the technology or the materials needed are especially suitable for the production of firearms. And those that can make working guns are far too expensive to ever be viable alternatives. You can read more about 3D printed guns over on 3DPrint.com: https://3dprint.com/139537/3d-printed-guns/