Via Instapundit and KansasCity.com:
John Sleezer | The Kansas City Star Mason Wilde, 16, has been building things since he was little. He put his skills to good use by using the Johnson County Library’s 3-D printer to craft a prosthetic hand for 9-year-old Matthew, who was born with only a thumb on his right hand.
Click the link to see more: Kansas teen uses 3-D printer to make hand for boy – KansasCity.com
Democratization of technology. Anyone can do it.