Three team collaborated on project to develop better 3D Printed Models of Heart of fetus using the ultrasounds. The GRID company, Rapid Crafting and experts at MWU in Poland worked to 3D Print realistic heart models which can help to learn more about any abnormality in fetus and each model is is 10 x 14 x 10 cm, and includes instructions as well as illustrations detailing each layer of the model.
Source: http://3dheart.eu/index.php