Art Zone will offer a suminagashi (or the Japanese art of paper-marbling) class from 10 a.m. to noon Aug. 16 at 6929 N.W. Friberg-Strunk St., Camas. suminagashi, or “floating ink” — the process of marbling plain paper with water and richly pigmented ink to transform it into beautiful, vibrant and colorful decorative paper. Students will be working with permanent inks they should wear clothing appropriate for this messy process. Art Zone does supply some aprons. The class cost is $75. Register at eventbrite.com/e/suminagashi-marbling-on-paper-registration-965293066547.