After all, human legs aren’t as flat as a printer’s build plate. Perhaps the most critical addition was an emergency solenoid system — a panic button to stop the machine mid-tattoo.

Legs are not flat. So rather than re-engineer ... A lever-controlled solenoid was also added, which lifts the entire tattoo machine vertically off the surface if something were to go horribly ...

After 28 years in the business, Christofano received a patent late last year for a tattoo machine he designed. “Tattooing has been such a huge part of my life. I’ve been doing it nearly 30 ...