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mdg winAn MDG file is a 3D model saved in the proprietary Model of Dital Geometry (MDG) CAD format. It contains information about a 3D model in an XML-like syntax. MDG filesU.S. Air Force Col. Jamison Elder, 436th Medical Group commander, Senior Airman Monique Mwamba, 436th MDG Public Health technician, and Senior Airman Emily