3D printing has made it incredibly easy to produce small runs of plastic parts, but getting rid of the 3D printed look can be tricky and time-consuming. When you need a smooth and polished finish, or ...

Mosaic Prosthetics founder Alison Vest says the intricate silicone body parts she creates can take as long as a year to make.(Shafkat Anowar / Staff Photographer) Ian Bonner of Dallas lost an eye to ...