3D printing technology is rapidly changing the O&P field by allowing practitioners to lower costs and customize prosthetic design at the same time. 3D printing can be especially important for fitting children, who are growing and need to change their prostheses frequently, says John Rieffel, assistant professor of computer science at Union College in Schenectady, N.Y. One of his students developed a 3D-printed prosthesis that could grow along with the child using it.

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