In the latest installment in the Behind the Design program series. Curator Andrea Lipps, conservator Jessica Walthew, and Stamen Design’s founder and creative director Eric Rodenbeck discuss Watercolor Maptiles—a web-based, open-source mapping tool that displays OpenStreetMap’s data with the hand-hewn textures of watercolor paint. Launched by Stamen Design in 2012, Watercolor Maptiles is part of...