[JC Sheitan Tenet] lost his right arm when he ... background, at a tattoo convention. After seeing [Gonzal] work, he just asked if it was possible to modify a prosthesis and attach a tattoo ...

In a world where 3D printers can make everything from prosthetic limbs to pizza ... she swapped the nozzle for a tattoo gun. The printer’s arm, which usually moves in three dimensions to ...