printing is becoming more and more advanced. Soon, customized heart implants will he printed more frequently. In this picture a guy is holding up a heart implant that has been customized the the patients hearts' size and shape.
2016 HAYDEN Add dimension to your drawings—literally—with a printing pen. As you draw, a built-in UV light cures the ink, letting you build almost immediately. The ink is cool (not hot like other pens), so it is safer for kids to use.