3-D Printing Helps Wounded Warriors Peter Liacouras, director of the 3-D Medical Applications Center, sits behind his desk at Walter Reed National Military Medical Center in Bethesda, Md., Nov. 3, 2017. Liacouras is part of a small team of engineers and technicians that use advanced digital technology and additive manufacturing to design and produce personalized devices for amputees. Courtesy photo SHARE IMAGE: Download Image: Full Size (0.29 MB) Photo By: Military Health System Communications Office VIRIN: 171103-F-XE708-002.JPG Photo Gallery