Nothing ground breaking, but at 8 minutes it’s worth watching:

Defense-Distributed-Libarator-3D-Printed-GunHe used the Cubify Cube 3D printer which starts at $1300.  This whole “printing on a cheap printing a gun” thing still seems to me like a recipe to lose function of your hands.  I know the results might not be quite as devastating as the Australian troll video pointed out, but when I hear guys like the one in the video talking about modifying the liberator on top of it all… it just makes sense firing it from a clamp and not actually taking the chance with your hands.