The Calico collection was the first to be produced by the couple. At the very beginning the couple experimented with styles of marbling by researching traditional techniques from various countries such as Turkey, Japan and England. After determining the best three, the Calico collection was ready for production.  Photo 5 of 10 in 9 Critical Tips to Read Before Kicking Off a Home Renovation from This Wallpaper Is Irresistible (and the Studio’s Not Bad Either)