| 摘要 |
A three-dimensional book or display of three-sided pyramidal configuration including an inner pyramidal support member with its defining sides or panels being joined at their respective edges and outer overlying sides or panels hinged at the joined edges of the inner support member. The hinges comprise a flexible sheet extending laterally in opposed directions from the hinge axis to be secured to at least a portion of the inner surface of the outer panel and a portion of the outer surface of the inner panel. The invention further contemplates the provision of graphic representation on an inwardly facing surface of the panels defining the inner support member to present a kaleidoscopic representation along with another inwardly facing reflective surface of an adjoining panel.
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