Regular Triangular Toroidal Solids

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Császár Polyhedron (version 4)
version 4
Vertices:  7  (2[6] + 2[6] + 2[6] + 1[6])
Faces:14  (triangles: 2 equilateral + 2 isosceles + 2 * 5 obtuse)
Edges:21  (8 different lengths)
Symmetry:  2-fold Cyclic  (C2)
Dual Toroid:  Szilassi Polyhedron
(values below based on the description from "On Three Classes of Regular Toroids", 2004, by Lajos Szilassi)
Minimum Dihedral Angle:  ≈41.659881811 degrees
Maximum Dihedral Angle:  ≈340.139216868 degrees
Edge 1 (2):  sqrt(1238)/6    ≈5.8642040285863936582
Edge 2 (1):  10
Edge 3 (4):  3*sqrt(70)/2    ≈12.549900398011133220
Edge 4 (2):  2*sqrt(374)/3    ≈12.892719737209144120
Edge 5 (2):  2*sqrt(662)/3    ≈17.152907107024809578
Edge 6 (2):  3*sqrt(134)/2    ≈17.363755354185338210
Edge 7 (2):  sqrt(1398)/2    ≈18.694919095839917542
Edge 8 (6):  24
Volume:2644*sqrt(2)/3    ≈1246.3935529714877697


References:[1]A Polyhedron Without Diagonals
[2]Ákos Császár, A polyhedron without diagonals,
Acta Scientiarum Mathematicarum (Szeged) 13 (1949), 140-142.
[3]Lajos Szilassi, On Three Classes of Regular Toroids,
3rd International Conference APLIMAT 2004.