Tech. Sgt. Damiene Roberts, 19th Communications Squadron network management, explains the process and benefits of 3D printing to Col. John Schutte, 19th Airlift Wing commander, during the grand opening of the Herk Werks innovation lab at Little Rock Air Force Base, Arkansas, April 16, 2021. Along with 3D printing and other equipment, the innovation lab also features tablets and smart screens where demonstrations and meetings can be held for LRAFB Airmen. (U.S. Air Force photo by Staff Sgt. Jeremy McGuffin)