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July 26th, 2014

Six-year-old gets new arm thanks to 3-D printing

Six-year-old Alex Pring was born with a birth defect that left him without an arm, and his family had no way to pay for a prosthetic. When engineering students from the University of Central Florida got word of Pring's situation, they worked together to build him an arm for $350. NBC's Kerry Sanders reports.

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