Garey developed a design after taking photos of a similar duck's foot, and with 3-D design software combined them. He sent the files to Graves, who started a 13½-hour printing process.

More than three years ago, Buttercup, a duck born with a backward foot, began walking well thanks to a 3-D-printed replacement. He has since gotten a version used for swimming, and even a ...

A duck from the US state of Wisconsin which lost both feet to frostbite has been fitted with a new pair made on a 3D printer. Duck learns to walk on new feet. Video, 00:00:24Duck learns to walk on ...