| 摘要 |
An element 10 for constructing a structure by detachably connecting a plurality of the elements in edge-to-edge relationship. The element 10 comprises a plurality of margins 12, with at least one of the margins 12 being an arcuate margin 12'. Each margin 12 comprises at least two projections 14 and 18 having a recess 16 therebetween. An end-face 14a of the projection 14 is formed with a protruding hinge-pip 22 and an end-face 18a of the projection 18 is formed with a recessed hinge-socket 24. The arcuate margin 12' is adapted to mate with a complementary margin of another element with the hinge-pip 22 of each element 10 being urged into the hinge socket 24 of the other element. <IMAGE> |
