BBC News - 'Printing out' new ears and skin
Hod Lipson: 'People have been trying to expand the range of materials that can be fabricated using a 3D printer'
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3D printing revolution
The next step in the 3D printing revolution may be body parts including cartilage, bone and even skin.
Three-dimensional printing is a technique for making solid objects with devices not unlike a computer printer, building up line by line, and then vertically layer by layer.
While the approach works with polymers and plastics, the raw ingredients of 3D printing have been recently branching out significantly.
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