| 摘要 |
An assembly comprising three or more elements; each element comprises a shape with an opening completely through the element; and each element comprises a plurality of edges, the edges being joined together at angular junctions. Each element links all of the other elements, and each element links the other elements in the same way. The link is formed by a portion of the shape passing through the openings in the other elements, so that the elements form a nested structure, and the elements are interchangeable in the nested structure without altering the nested configuration of the assembly. |
