Johnson Solids (Page 5)
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(J91)
Bilunabirotunda
Vertices:
14 (4[3] + {8 + 2}[4])
Faces:
14 ({4 * 2} equilateral triangles + 2 squares
+ 4 regular pentagons)
Edges:
26
Symmetry:
2-fold Prismatic (D2h)
(values below based on edge length = 1)
Volume:
(17+9*sqrt(5))/12
≈3.0937176497915089390