- In geometry, the
octahemioctahedron or
allelotetratetrahedron is a
nonconvex uniform polyhedron,
indexed as U3. It has 12
faces (8
triangles and 4 hexagons)...
- with the two
nonconvex uniform polyhedra, the
cubohemioctahedron and
octahemioctahedron.
These polyhedrons are
constructed from the
skeleton of a cuboctahedron...
- F {\displaystyle \ \chi =V-E+F\ }
Tetrahemihexahedron 6 12 7 1
Octahemioctahedron 12 24 12 0
Cubohemioctahedron 12 24 10 −2
Small stellated dodecahedron...
- in
Tsukuba District,
Ibaraki Ōhō Kōnosuke, ****anese sumo
wrestler Octahemioctahedron Okhotsk Airport (IATA code: OHO),
airport in
Russia Oho, an experiment...
-
construction generates the ****rientable
hemipolyhedra (all
except the
octahemioctahedron) as
double covers (two
coincident hemipolyhedra). In the Euclidean...
-
determined from this
abstract manifold.
Examples include the genus-1
octahemioctahedron, the genus-3
small cubicuboctahedron, and the genus-4
great dodecahedron...
-
great rhombicosidodecahedron Nonconvex great rhombicuboctahedron Octahemioctahedron Rhombicosahedron Rhombidodecadodecahedron Small cubicuboctahedron...
-
great rhombicosidodecahedron Nonconvex great rhombicuboctahedron Octahemioctahedron Rhombicosahedron Rhombidodecadodecahedron Small cubicuboctahedron...
- W# U# K# Vert.
Edges Faces Chi Orient- able? Dens.
Faces by type
Octahemioctahedron 3/2 3 | 3 6.3/2.6.3 Oh C37 W068 U03 K08 12 24 12 0 Yes 8{3}+4{6}...
- 736°
Cubohemioctahedron o{3,4} (4.6.4/3.6)
arccos (√3/3) 54.736°
Octahemioctahedron o{4,3} (3.6.3/2.6)
arccos (1/3) 70.529°
Small dodecahemidodecahedron...
