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When Germany's Denise Schindler peddles up to the start line at the Rio Paralympics in September, she will be unique among all the cyclist she's competing against.

Denise lost her leg as a small child and what makes her one of a kind is that her prosthesis, arguably the most important element of equipment will have been made using... A 3D printer!

Photo: Para cyclist Denise Schindler in action on the track (Getty Image)