| 摘要 |
A three-dimensional jigsaw puzzle comprising multiple polygonal pieces having sides of equal lengths. The exterior surfaces of the pieces are provided with identical curvatures, while each side of the pieces is provided with two or more recessed parts (110) and protruding parts (111). The recessed parts (110) are provided with identical sizes and shapes. The protruding parts (111) are provided with identical sizes and shapes. The recessed parts (110) and the protruding parts (111) are provided with complementary sizes and shapes. Multiple pieces are fitted together via the recessed parts (110) and the protruding parts (111) that are complementary to each other to form a hollow model. |
