After being diagnosed for congenital heart defect, Jemma Starks, received 3 open-heart surgeries. Preparing for the fourth surgery, the surgeons are delighted to use exact copy of Jemma's heart made from 3D printing. The family is happy to know what exactly are they dealing with before preparing for treatment and surgeries.
Source: https://cronkitenews.azpbs.org/2016/06/03/3d-printed-heart-for-toddler/