| 摘要 |
The invention relates to a novel three-dimensional object. According to the invention, this object consists of substantially plane elements 2, 3 of small thickness delimited by parallel faces 4, 7, at least one of the said faces comprising projecting parts 5 capable of being engaged in recesses 6 of complementary shape arranged in a corresponding position in the opposite face 8 of the contiguous element in order to reconstitute the said object from the said elements. <IMAGE>
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