Abstract: A making person stores the objects (5) in the element stock (4), makes the pallet (6), takes out the objects (5) from the element stock (4) in accordance with the rule of the making person at first and arranges it, thereafter paints it in reference to the pallet (6) and subsequently a changing in selection of the objects (5) from the element stock (4) and a changing in arrangement or color painting are carried out automatically in reference to some parameters made on the basis of some random numbers generated at the time of arrangement or color painting of the objects (5), thereby a different pattern (P) is automatically made while the same taste being kept. Accordingly, even the making person having a less amount of skill or experience for making a picture can easily produce a pattern showing an individual character of the making person.