Inkblot refers to an image or irregular pattern formed by dripping ink on a piece of paper which is later folded into half. Artists also create painted version of an inkblot, which is known as blotto painting. Artist make different patterns using inkblots and such art work is used as a decor. You can use wax papers and create inkblots on a water colour paper to avoid the paper fold mark that is usually seen on inkblots. Inkblots are also used in the Rohrschach test (psychology test) to determine the underlying behaviour of patients.