Wall Drawing #912 A 12-inch (30 cm) grid covering the walls. Within each 12-inch (30 cm) square, one arc from the corner or the midpoint of one side. (The direction of the arcs and their placement are determined by the draftsman.) First drawn by: Sachiko Cho, Emily Ripley First Installation: Barbara Gladstone Residence, Sag Harbor, NY, June, 1999