Method of manufacturing three-dimensional sculpture

Disclosed is a method of manufacturing a three-dimensional sculpture whereby suitable solidified layer formation can be performed in anticipation of formation of a subsequent powder layer. A method of manufacturing a three-dimensional sculpture in which powder layer formation and solidified layer formation are repeatedly performed by (i) a step of forming a solid layer by directing a light beam onto a prescribed location of a powder layer and thereby performing sintering or melt-solidification of powder in this prescribed location; and (ii) a step of forming a further solidification layer by forming a new powder layer on the solidified layer that was thereby obtained and directing a light beam onto a prescribed location of said new powder layer that was thereby obtained, is characterised in that: in an irradiation pass wherein non-irradiated portions are provided adjacently on both sides, the light beam conditions are different from the conditions of an irradiation pass providing a previously irradiated portion in an adjacent region.