An image formed by dripping ink onto a piece of paper, a photo of an inkblotand then folding the paper in half. Inkblots are invariably symmetrical, but making them is largely aleatoric, their shapes depending greatly upon accident or chance. Painted versions of inkblots are called blotto painting. In psychology, inkblots have been used in the Rohrschach test (see thumbnail to rightan example). Also see blot.