3D printed parts for N-95 style face masks are laid out in front of a computer design used to control the printer. Airmen in the 388th Maintenance Group’s Air Force Repair and Enhancement Program are using 3D printing to create more masks that can be worn in mission-essential work areas where it may be difficult to maintain the recommended 6-feet of social distance. (U.S. Air Force photo by Cynthia Griggs)