To enjoy possession of a three-dimensional model by a family by printing a plurality of pictures on the three-dimensional model such as a stuffed animal so as to present such a three-dimensional model having a plurality of the pictures recording the growth of a child printed thereon to the child on his/her birthday, for example.

The three-dimensional model is provided with: a product sample 1 having printing places 7 indicated at a plurality of places; a plurality of parts samples 2A to 6A for manufacturing the product sample; a plurality of picture printing areas 7A set to positions corresponding to the printing places of the production sample on the part samples; a plurality of digital picture to be printed; and printing data for setting which one of the plurality of digital pictures is to be printed in which picture printing area. On a sheet material, digital pictures are printed in the picture printing areas of the respective part samples on the basis of the printing data, and the individual part samples having the digital pictures printed thereon are sewn to manufacture the product (three-dimensional sample).