U.S. Air Force Tech Sgt. Ana Gomez-Martinez, 316th Wing Dental Squadron oral prophylaxis assistant, holds two different 3-D modeled structures, Joint Base Andrews, Md., Feb. 3, 2022. SparkX Cell developed the new dental 3-D model (left) for an X-ray machine to replace a defective attachment. (U.S. Air Force photo by Airman 1st Class Austin Pate)