Manufacturers of athletic shoes are always looking for ways to improve the comfort and performance of their footwear. 3-D printing, which in the past has help speed up the prototyping process, is now enabling the creation of custom shoes with special properties and may someday even be thought of as a viable process for mass production.
Polyurethane materials are helping to make 3D printed shoes reality, but often in different ways. One manufacturer created a special pair of shoes for Eulid Kipchoge, winner of the 2018 London Marathon, with uppers made of 3-D printed thermoplastic polyurethane (TPU). The company claims...Athletics