If they're going to abuse the 3D printer then ban it too or only allow certain responsible parties to own one through licenses. As for purging the existing guns, that's not hard. You give them a choice, they can surrender their guns and be recompensed which the good people will do, or we'll just take them by force if necessary. Only the evil powers need be afraid. We're not gonna let them victimize us anymore. Doing what is right ain't hard. It's a constant war, but we'll win in the end when Jesus returns and melts down all their earthly implements.
Proverbs 20:26
[SUP]26 [/SUP]A wise king scattereth the wicked, and bringeth the wheel over them.