A three-dimensional lamination shaping method for laminating shaping material to shape a three-dimensionally shaped object on the basis of design data of the three-dimensionally shaped object is provided with: a specific-part identification step of identifying a specific part partially included in the three-dimensionally shaped object on the basis of the design data; a specific-part shaping condition determination step of determining whether a specific shaping condition different from a normal shaping condition for shaping a normal part of the three-dimensionally shaped object other than the specific part is applied to shaping of the specific part to determine a shaping condition of the specific part; and a shaping condition setting transmission step of transmitting a shaping condition setting in which the normal part other than the specific part is shaped under the normal shaping condition and the specific part is shaped under the shaping condition determined in the specific-part shaping condition determination step.
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