PROBLEM TO BE SOLVED: To provide a three-dimensionally shaping body, a three-dimensionally shaping device comprising the three-dimensionally shaping body, a molding device comprising the three-dimensionally shaping body, and a molding method using the molding device, which are capable of changing the shape on a one-direction side to a shape corresponding to a shape of an object without numeralizing the shape of the object and controlling the rotation of screws on the basis of information of the numeralization.SOLUTION: The three-dimensionally shaping body comprises: a screw assembly 20 formed of a plurality of screws 2 which are disposed with their screw threads meshing with each other, each of the plurality of screws 2 being capable of rotating independently of each other, and capable of moving independently by rotation in one direction and the other direction opposite the one direction; rotating bodies 4 which rotate when a motive force is imparted thereto and which rotate the screws 2 when meshed with the screws 2; and unmeshing members 3 which comprise contact parts 31 configuring end parts of the one-direction side, and which move concurrently with the movement of the screws 2 and undo the meshing with the screws 2 when the contact parts 31 come in contact with an object 5.
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