Regular Higher Genus Toroids

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Heptagonal Dodecahedron (type D) (form 2)
form 2
Vertices:  28  (28[3])
Faces:12  ({4 * 3} nonconvex heptagons)
Edges:42  (11 different lengths)
Symmetry:  2-fold Dihedral  (D2)
(values below based on integer coordinates)
Edge 1 (4):  3*sqrt(3)    ≈5.1961524227066318806
Edge 2 (4):  6
Edge 3 (4):  4*sqrt(3)    ≈6.9282032302755091741
Edge 4 (8):  8
Edge 5 (4):  7*sqrt(2)    ≈9.8994949366116653416
Edge 6 (4):  15
Edge 7 (4):  22*sqrt(2)    ≈31.112698372208091074
Edge 8 (2):  22*sqrt(3)    ≈38.105117766515300458
Edge 9 (4):  29*sqrt(2)    ≈41.0121933088197564152
Edge 10 (2):  44
Edge 11 (2):  36*sqrt(3)    ≈62.353829072479582567
Volume:9852  [EXACT]