Frank Lloyd Wright Dana Sumac Wood Art Element Wall Panel. This item has a small dark spot on back, please see the third image for details. The Frank Lloyd Dana Sumac design is inspired by an art glass dining room window from the Susan Lawrence Dana House (Springfield, Illinois, 1904). This stunning Dana Sumac Hardwood Art Screen Wall Panel measures 31.5″H x 11.5″W x 0.5 depth in precision laser-cut MDF with a cherry veneer finish. Includes one sawtooth hanger and hardware. This Frank Lloyd Wright Collection Wall Panel is authorized by the Frank Lloyd Wright Foundation.