This goes back a few months … but wow.
OCTOBER 28, 2013, 2:55 PM
Two years ago, Paul McCarthy began searching for an inexpensive yet functional prosthetic hand for his son Leon, who was born without fingers on one of his hands. McCarthy came across a video online with detailed instruction on how to use a 3-D printer to make a prosthetic hand for his son.
A local news outlet has more complete coverage.