Margaret Black, Curb Appeal 5, Quilt, Overall: 63 1/2 × 66in. (161.3 × 167.6cm), Courtesy of the artist, Boswell, Pennsylvania

Margaret Black, Big Black O!, Quilt, Overall: 46 × 72in. (116.8 × 182.9cm), Courtesy of the artist, Boswell, Pennsylvania

Margaret Black, Line Study 21, Quilt, Overall: 60 × 70in. (152.4 × 177.8cm), Courtesy of the artist, Boswell, Pennsylvania

Margaret Black, Line Study 22, Quilt, Overall: 70 × 70in. (177.8 × 177.8cm), Courtesy of the artist, Boswell, Pennsylvania