A method of evaluating a product for use on a body used to develop a preferred product configuration using a computer-based virtual product development and testing system. A virtual wearer sub-model is created of the body and a virtual product sub-model is created of a product for use on the body. An...http://www.google.com.au/patents/US7099734?utm_source=gb-gplus-sharePatent US7099734 - Method of evaluating the performance of a product using a virtual environment