Heptagonal disphenoid

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Heptagonal disphenoid
Rank5
TypeNoble
Notation
Bowers style acronymHedow
Elements
Tera14 heptagonal scalenes
Cells49 tetragonal disphenoids, 14 heptagonal pyramids
Faces98 isosceles triangles, 2 heptagons
Edges14+49
Vertices14
Vertex figureHeptagonal scalene
Measures (base edge length 1, height h)
Edge lengthsEdges of base heptagons (14): 1
 Lacing edges (49):
Circumradius
Central density1
Related polytopes
ArmyHedow
RegimentHedow
DualHeptagonal disphenoid
Abstract & topological properties
Euler characteristic2
OrientableYes
Properties
SymmetryI2(7)▲S2, order 392
ConvexYes
NatureTame

The heptagonal disphenoid or hedow is a convex noble polyteron with 14 heptagonal scalenes as facets. 9 facets join at each vertex. However, it cannot be made scaliform, because the length of the lacing edges must be greater than the base edges.