When Bodo Hoenen's five-year-old daughter, Lorelei, developed a rare condition that left her without the use of her left arm, he refused to accept that she may never be able to use her arm normally again. With the help of a team of online supporters - and Lorelei herself - he developed a 3D printed robotic brace that is slowly helping her learn to move her arm again. Now he wants to open source the technology so that anyone can use it if they need to. Read more at 3DPrint.com: https://3dprint.com/159124/3d-printe...sistive-brace/