Triangular Gyrobiprism
In Geometry, the triangular gyrobiprism English (: gyrobifastigium) is 26th the Solide of Johnson ( J 26). It can be built by uniting two triangular prisms with regular faces by their square face, by giving a half-turn to one of the prisms.
The 92 solid of Johnson were named and described by Norman Johnson in 1966.
External bond
- solids of Johnson on the site MathWorld
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