We sliced a normal 17 year old heart downloaded from the NIH 3D print exchange to get a view that is similar to the image of a parasternal long axis cardiac ultrasound. Credit for original heart file: Bramlet, M.T., Cross, B.S. (2016). 17 yo Female, Normal Heart. Resource document. NIH 3D Print Exchange. http://3dprint.nih.gov/discover/3dpx-002636 Accessed 9 June, 2016.