A group of 3D Printing Teenagers Robotics A Group Of Teenagers With A 3D Printer Just Gave This Little Girl A Life-Changing Christmas Gift

A group of high school students in Michigan gave a 4-year-old girl the gift of a lifetime yesterday.
The robotics team from West Catholic High School presented little Harmony Taylor with the right hand she never had, after the teenagers spent six weeks to build the hand from a 3D printing device that was donated to their school. 

Read more: http://www.businessinsider.com/little-girl-gets-3d-printed-hand-2013-12#ixzz2o1jnilOF