Carpenter Richard van As made his own digits after losing his fingers in an accident. Now he's helping kids by 3D-printing prosthetics and running an Indiegogo campaign.
A Kickstarter campaign is raising funds to get an ultracheap 3D-printed robotic hand into production.
There are some 50,000 amputees in South Sudan. A few good men have set up camp with a 3D printer to lend a helping hand.