Here is another awesome use of 3D printing to construct models used within the medical fields.
http://3dprint.com/1479/3d-printed-p...uide-surgeons/
Doctors at the Cleveland Clinic in Ohio have 3D printed polymer liver repicas which can be used by surgeons operating on real livers, to help guide their surgery. These 3d printed models have already been used in 30 procedures, and may have reduced complications after surgery for some.
