To perform molding based on the information about the emotion during molding in the virtual space for each user in the process of molding by sharing the virtual space with a plurality of people.SOLUTION: A biological information analysis unit 74 acquires the biological information of each user 24 from a virtual ceramic control device 16 managed by each user 24 and analyzes the biological information to extract feature points, and store the timeline information (feature point extraction time) (synchronization information). When the pottery work is completed, the timeline information (synchronization information) stored in a timeline information storage unit 78 for each user 24 is selected. When synchronization information is selected by a selection unit 80, three-dimensional molding information of a time coincident with the selected synchronization information (timeline information) is fetched from the virtual ceramic control device 16 and sent out to a three-dimensional molding control device 44. In addition, when the line of sight of any user 24 is concentrated on a specific part in virtual ceramic art, the specific part is regarded as a target of feature points, and three-dimensional molding may be made only for the specific part.SELECTED DRAWING: Figure 5
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