| 摘要 |
The present specification discloses a three-dimensional printer for improving printing velocity. The three-dimensional printer comprises: a plate; a first nozzle of the first size for printing the boundary area of a three-dimensional object by discharging a second material on the plate; and a second nozzle of the second size, different from the first size, for printing an interior area of the three-dimensional object by discharging the second material on the plate. |
