Warm Summer days are the norm come August, so accordingly, we're showing you how to update a pair of basic denim shorts with a cool Aztec print. We saw tribal and Navajo patterns at Mara Hoffman for Spring 2012, inspiring us to re-create this look for ourselves. In today's DIY, we're adding a vibrant print to our favorite go-to cutoffs: watch to see how it's done! On Allison McNamara: