Zentangle, zendoodle, doodle. or just plain squiggles and lines! Size can be up to 5 by 7 inches (127 mm by 178 mm). Send postcards, mail art, etc.
Entries will be documented online and will participate in the Art Abandonment Project. This projects randomly gives art to stranger to brighten their day. (All addresses will be blacked out, unless you request otherwise).