Square gyrobicupola

Square gyrobicupola

Infobox Polyhedron


Polyhedron_Type=Johnson
"J"28 - J29 - J30
Face_List=8 triangles
2+8 squares
Edge_Count=32
Vertex_Count=16
Symmetry_Group=D4h
Vertex_List=8(3.4.3.4)
8(3.43)
Dual=-
Property_List=convex

In geometry, the square gyrobicupola is one of the Johnson solids ("J"29). Like the square orthobicupola ("J"28), it can be obtained by joining two square cupolae ("J"4) along their bases. The difference is that in this solid, the two halves are rotated 45 degrees with respect to one another.

The "square gyrobicupola" is the second in an infinite set of gyrobicupolae.

The 92 Johnson solids were named and described by Norman Johnson in 1966.

External links

* [http://mathworld.wolfram.com/JohnsonSolid.html Johnson Solid -- from MathWorld]


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