Cover image for article: The Future of 3D Printing in Healthcare

In a galaxy not so far away…

It sounds like something out of a science fiction movie, but researchers and physicians are now 3D printing human body parts. 3D printing refers to the process of forming a three-dimensional object directly from a digital file. Just as ink is laid down in layers when something is printed on paper, the various materials used in 3D printing are formed into objects layer by layer. Using this technique, just about anything that exists in three dimensions may be replicated or built—from things as small as single cells to those as big as fully functioning houses.
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