Angiola Gatti is a self-effacing painter from Turin who has been working for years without much notice. She deserves more attention for her novel investigations of abstraction, achieved by saturating the entire surface of her large canvases with interwoven patterns of ballpoint-pen or colored-pencil strokes. The resulting sequences of marks create fields of variable density, areas of greater or lesser concentration. Sometimes there are spirals, forms that expand outward from an energetic inner core. Or the marks may accumulate in heavy, motionless rectilinear figures that alternate with or are