Chamfered Solids

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Chamfered Dodecahedron (all edges equal)
version 1
Vertices:  80  (20[3] + 60[3])
Faces:42  (12 regular pentagons + 30 bi-mirror-symmetric hexagons)
Edges:120  (all same length)
Symmetry:  Full Icosahedral  (Ih)
(values below based on edge length = 1)
Max Vertex Radius:  (5*sqrt(3)+5*sqrt(15)+2*sqrt(30*(5+sqrt(5))))/20    ≈2.8746289580093425789
Volume:(75+43*sqrt(5)+2*sqrt(2*(2125+919*sqrt(5))))/4    ≈88.503955839171954903