The Great Ditrigonal Icosidodecahedron

A non-convex semi-regular polyhedron.

The great ditrigonal icosidodecahedron is one of the stellated archimedians.

Vertex
Symbol
Wythoff
Symbol
No. of
Vertices
No. of
Edges
{3}
Faces
{5}
Faces
Symmetry
Group
(3.5)3/2 3/2 3 | 5 20 60 20 12 A5×C2

Edge ratios:

where `e` is the edge length, `rho` is the inter-radius, `R` is the circum-radius, `e_(12)` is the edge of the dodecahedron, and `e_(20)` is the edge of the icosahedron,