equipped it with a tattoo gun—and even found a willing volunteer to test it out. Don't worry about the test subject's safety, though—there's a handy machine-halting panic lever installed for ...

This unusual tattoo ... tattoo machine. Therefore, [Emily] ingeniously modified one of her standard 3D printers to operate two-dimensionally, swapped its plastic extruder for a tattoo gun, and ...

Patented tattoo gun At the same time Christofano was teaching ... the affected skin can become inflamed. Christofano’s machine design features a reworked armature bar, a component that helps ...