At first glance, these hard, metallic objects shaped like architectural models for a city of the future do not appear to be shoes. They were designed by Zaha Hadid, the architect known as the “Queen of the Curve,” with 3D CAD tools utilizing computer graphics that are often used in architecture, completely upending existing views about how shoes are made and should look. United Nude is a brand launched in London in 2001 by Rem D. Koolhaas, nephew of master architect Rem Koolhaas. The brand has made the most of cutting-edge technology, and collaborated with a range of artists.