In this July 17, 2014 photo, Dr. Robert Howe, a medical doctor and a PhD candidate in music history, plays an antique recorder that was repaired using a 3D printing of the instrument’s original bell, at the University of Connecticut’s Depot Campus in Mansfield, Conn. Howe and his colleagues have been using CT scans and 3D printing to unlock the secrets of antique instruments and make replica parts that will allow them to be played. (AP Photo/Pat Eaton-Robb)
