Square cupola

In geometry, the square cupola (sometimes called lesser dome) the cupola with octagonal base. In the case of edges are equal in length, it is the Johnson solid, a convex polyhedron with faces are regular. It can be considered as half of the rhombicuboctahedron. It can be used to construct many polyhedrons, particularly in other Johnson solids.

Square cupola
TypeJohnson
J3J4J5
Faces4 triangles
5 squares
1 octagon
Edges20
Vertices12
Vertex configuration
Symmetry group
Propertiesconvex
Net
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