It looks like a human heart. It feels like a human heart. It's "the first full-size 3D bioprinted human heart model," and it could change the way surgeons practice and prepare for patients.

In desperate need to fix a young girl's heart, a team of cardiovascular surgeons at Miami Children's Hospital tap 3D-printing to help make the operation a success.

Now Dassault’s full 3D heart model is in the testing phase, says Levine, “as we are working closely with the FDA to ensure sustainability of the technology. However members of the project have already ...