Stratoti and Crawford met Sigren when they resumed quilting classes in West Bridgewater High School in 2003, and were later joined by Brinkmann in 2008, who shared her love of T-shirt quilts.

At the Denver-area quilt-in, Marriott's iron hissed as she glided it over each cut piece of fabric, readying it for participants like sisters Kate Waters, 56, and Carol Summers, 52.