| 摘要 |
The invention provides an amusement and display device comprising at least eight distinct elements each of the elements being of regular prismatic shape and having sides, edges and corners wherein each of the elements is interconnected to an adjacent element by flexible joining means provided along an edge thereof, at least two adjacent elements and least one of the elements being connected along three separate edges to three adjacent elements, characterized in that the elements are cubical prisms formed by interfitting two identical units of U-shaped profile mutually angularly offset by 90 DEG and facing one another with their open ends and the joining means is a flexure hinge having two parallel edge grips and a connecting flexure web, an edge grip of one of the joining means being positioned adjacent an inner wall of one of the U-shaped units with its associated web overlying an edge adjacent thereto whereby when one of the U-shaped units is interfitted with an identical U-shaped unit the edge grip is retained within the body of the formed cubical element with its associated web clamped between adjacent interfitted edges of the interfitted units and each of the edges of the U-shaped unit are capable of being provided with an associated joining means and more then one joining means is simultaneously affixable to the body of the formed cubical element at right angle to each other.
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