Three-Dimensional Shaping Device And Three-Dimensional Shaped Object Manufacturing Method

A three-dimensional shaping device, comprising:

• a nozzle having a nozzle opening and configured to discharge a shaping material from the nozzle opening toward a stage;
• a position changing unit configured to change a relative position between the nozzle and the stage;
• a discharge amount adjusting unit provided in a flow path which is in communication with the nozzle opening and through which the shaping material flows, and configured to adjust a discharge amount of the shaping material from the nozzle opening by changing an opening area of the flow path;
• a pressure adjusting unit including a branch flow path coupled to the flow path between the discharge amount adjusting unit and the nozzle opening, and a plunger configured to move in the branch flow path;
• and
• a control unit configured to control the position changing unit, the discharge amount adjusting unit, and the pressure adjusting unit, wherein
• the control unit is configured to:
• execute an absorption operation of absorbing the shaping material in the flow path into the branch flow path and a delivery operation of delivering the shaping material absorbed into the branch flow path to the flow path, by moving the plunger when shaping one partial shaped object having a continuous linear shape, and
• control movement of the plunger such that positions of the plunger in the branch flow path at a start and an end of a shaping section for shaping the partial shaped object match with each other.