3D printing is a revolutionary component in the tattoo industry, allowing artists to create custom tattoo designs and print them onto prosthetic limbs with greater speed and accuracy. 3D printers are also a new and fast way to create intricate tattoo machines and accessories needed for tattooing.The unit rapidly and repeatedly drives the needles in and out of the skin, usually 80 to 150 times a second. This modern procedure is ordinarily sanitary. The needles are single-use needles that come packaged individually. The tattoo artist must wash his or her hands and must also wash the area that will be tattooed.