Ford design generally creates a bandwidth that stretches design across two extremes that would be appropriate for a particular vehicle and brand. For Mustang, the bandwidth was used to investigate how much design could be pushed while still being true to the iconic Mustang. Throughout 2011, hundreds of sketches were narrowed down to a handful of proposals that would be transformed into an initial batch of clay models for evaluation in 3D. In the end, three themes went into the final selection phase in early 2012.