U.S. Air Force Tech. Sgt. Keith Boudreau, 31st Maintenance Group Air Force Repair Enhancement Program technician, holds a 3D printed spacer he created, Sep. 5, 2019, at Aviano Air Base, Italy. Spacers made by the AFREP technicians repaired 474 phones, saving the 31st Fighter Wing $106,176. (U.S. Air Force photo by Senior Airman Kevin Sommer Giron)