From Paper To Full-Scale Model – The Nissan Max-Out.

Watching a concept car unveiled and tracking its progress to a road-ready production model is like watching a ballerina dancing through a minefield. It can end with a puff of smoke at any time, and even if it does not, the end result will be different from what it was in the beginning. Neither the concept nor the ballerina will look as fresh and crisp in the end.