Kate is a 2 year old girl, excitable, energetic, and playful like the other girls her age, however Kate was born without fingers on her left hand. Her parents could not afford a traditional prosthetic device so they Turned to a man named Jason Hundley for help:

http://3dprint.com/1622/3d-printed-f...ama-girl-play/

Hundley printed Kate a prosthetic device on a Makerbot Replicator 3D printer. the prosthetic costs just $5 in materials to make, and has allowed Kate to play like all the other children her age. Here is a picture of Kate and her 3D printed fingers: