Higher Genus Toroidal Solids

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Heptagonal Dodecahedron (type A) (S4-symmetric form 1)
form 1
Vertices:  28  (28[3])
Faces:12  ({(2 * 2) * 3} nonconvex heptagons)
Edges:42  (9 different lengths)
Symmetry:  2-fold Rotoreflection  (S4)
(values below based on integer coordinates)
Edge 1 (4):  sqrt(6)    ≈2.4494897427831780982
Edge 2 (8):  2*sqrt(2)    ≈2.8284271247461900976
Edge 3 (4):  3*sqrt(2)    ≈4.2426406871192851464
Edge 4 (4):  2*sqrt(6)    ≈4.8989794855663561964
Edge 5 (8):  4*sqrt(2)    ≈5.6568542494923801952
Edge 6 (4):  6*sqrt(2)    ≈8.4852813742385702928
Edge 7 (4):  5*sqrt(6)    ≈12.247448713915890491
Edge 8 (4):  13*sqrt(2)    ≈18.384776310850235634
Edge 9 (2):  8*sqrt(10)    ≈25.298221281347034656
Volume:2608/3    ≈869.33333333333333333