| 词条 | Heptagrammic prism (7/2) |
| 释义 | {{Infobox polyhedron |image=Heptagrammic prism 7-2.png |type=Uniform polyhedron |faces=2 heptagrams 7 squares |edges=21 |vertices=14 |wythoff=2 7/2 | 2 |symmetry=D7h |vertex_config=7/2.4.4 |dual=Heptagrammic bipyramid |properties=nonconvex |vertex_figure=Septagrammic prism vertfig.png }} In geometry, the {7/2} heptagrammic prism is one of an infinite set of nonconvex prisms formed by square sides and two regular star polygon caps, in this case two {7/2} heptagrams. {{DEFAULTSORT:Heptagrammic prism (7 2)}}{{Polyhedron-stub}} 1 : Prismatoid polyhedra |
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