Insta-Guns. No matter which side of the gun debate you sit on, it’s hard to imagine you’re cheering the availability of printable weapons. 3D printable guns have been a thing for years but getting a workable design for your 3D printer wasn’t that easy. Until now. There’s a site with plans. Fortunately, they’ve been shut down by a Federal judge. For now. If it’s any consolation, getting bullets that don’t blow the plastic things up isn’t that easy either.