Handicapped Haitian boy Stevenson Joseph (R), learns to use a 3D-printed prosthetic hand with help from a professor at the orphanage where he lives in Santo, near Port-au-Prince, April 28, 2014. Handicapped from birth, Stevenson, 12, last month became the first recipient in Haiti of a 3D-printer prosthesis, thanks to a British-born software engineer in California. Picture taken April 28, 2014. REUTERS/Marie Arago (HAITI – Tags: SOCIETY HEALTH SCIENCE TECHNOLOGY) – RTR3OUSR