Researchers at ETH Zürich have been developing a 3D printed human heart made from soft materials. The entire heart is cast as a single part from one mold. Unfortunately, the current concept materials fall apart after a few thousand heartbeats during circulation tests. The goal is to match the human heart in form and function. The research has been published in the medical journal Artificial Organs.
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Very cool but I think origin extraction and cleansing from animals might be a more viable resources.But the technology for printing origin could have potential why not make it larger or even have better technology such as 3 in one. iI one failed you would have 2 other still working.