English: 13 topologically distinct heptahedra (excluding mirror images) can be formed by cutting notches out of the edges of a triangular prism or square pyramid.
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Captions
Concave heptahedron
在此檔案描寫的項目
depicts
heptahedron
copyright status
copyrighted
copyright license
Creative Commons Attribution 4.0 International
inception
4 November 2023
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image/svg+xml
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