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Applications of 3D printing in paediatric cardiology: its potential and the need for gathering evidence.

Three-dimensional (3D) printing holds great promise for applications in paediatric cardiology. From training medical staff to providing insight into complex congenital surgical cases, from acting as communication tools in the delicate dynamics of clinical encounters with parents and children to providing an educational mean to study congenital cases without the need for or complementing the use of specimens (1-4), 3D cardiac models are becoming increasingly used for cases of congenital heart disease (CHD).