Jerod Harris/Getty Images for Uber; Romain Maurice/Getty Megan Fox is a fan of Machine Gun Kelly's dramatic blackout tattoo. In fact, she thinks it's "really elegant." While appearing on the most ...

Most of the teams came up with similar ideas, but one team went above and beyond the call of duty; they turned a 3D printer into a tattoo machine, capable of inking a real, live human test subject.