Combining cashmere, linen, wool, and silk with rich colors and abstract patterns, the Chicago-based architecture and design firm Soucie Horner brings a timelessly modern aesthetic to its SHIIR rug designs. For this year’s collection, the 13-year-old company, which has designed homes from the Midwest to Mexico and the United Kingdom, has partnered with the designer Holly Hunt to create four new cashmere rugs for Spring 2013 that will be available at Holly Hunt showrooms. Each of the designs—Acanthus, Bookbinder…