The tattoo culture caught his eye ... the affected skin can become inflamed. Christofano’s machine design features a reworked armature bar, a component that helps stabilize and control ...

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.

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 ...