Meet The 24-Year-Old Whose Prosthetic Limbs Are Changing Lives
• Tech InsiderGuillermo Martinez 3D prints prosthetic arms for people in need. He has touched more lives than most do in a lifetime and he hasn't turned 30 yet.
Guillermo Martinez 3D prints prosthetic arms for people in need. He has touched more lives than most do in a lifetime and he hasn't turned 30 yet.