Implant is made from titanium powder, it costs some 10 USD. It is already used in Japan and helps people with various bone damage conditions where it replaces damaged parts.
Via:
http://www.3ders.org/articles/20130813-japanese-patients-successfully-received-3d-printed-bone-transplants.html
Via:
http://www.3ders.org/articles/20130813-japanese-patients-successfully-received-3d-printed-bone-transplants.html