U.S. Air Force Capt. Wayne Kreimeyer, the 509th Maintenance Group (MXG) Research and Engineering (RE) flight commander, right, reviews the progress of a 3-D print with Master Sgt. James Gargano, an RE technician with the 509th MXG, at Whiteman Air Force Base, Mo., Feb. 18, 2016. The 3-D model is used for “form-fit function.” The form-fit function method prints an object for specification prior to sending to the metals technology shop for fabrication. (U.S. Air Force photo by Tech. Sgt. Miguel Lara III)