Using pure hand-spun wool, weavers in Katmandu, Nepal, spend an average of three months on rugs like Amdo, a patchwork of jewel-toned stripes. The same design can be custom-colored and expanded up to 24 by 32 feet. 364 Blodgett Street, Cotati, CA 94931; 800-910-3000; endlessknotrugs.com.