- In geometry, the
octagrammic prism is one of an
infinite set of
nonconvex prisms formed by
square sides and two
regular star
polygon caps, in this case...
-
cupola {5/3} Crossed pentragrammic
cupola {7/3}
Heptagrammic cupola {8/3}
Octagrammic cupola 5 — — {7/5} Crossed heptagrammic
cupola {8/5} Crossed octogrammic...
- with the same D8d, [2+,16] symmetry,
order 32. The
octagrammic antiprism, s{2,16/3} and
octagrammic crossed-antiprism, s{2,16/5} also have
regular skew...
- In geometry, the
octagrammic antiprism is one in an
infinite set of
nonconvex antiprisms formed by
triangle sides and two
regular star
polygon caps, in...
-
quasicantellated (quasiexpanded) cube, t0,2{4/3,3}.
There are two
regular octagrammic star
figures (compounds) of the form {8/k}, the
first constructed as...
- In geometry, the
octagrammic crossed-antiprism is one in an
infinite set of
nonconvex antiprisms formed by
triangle sides and two
regular star polygon...
- and 6 octagrams), 48 edges, and 24 vertices. Its
square faces and its
octagrammic faces are
parallel to
those of a cube,
while its
triangular faces are...
- cross-polytopes) to form
compound polytopes: In two dimensions, we
obtain the
octagrammic star
figure {8/2}, In
three dimensions we
obtain the
compound of cube...
- [2+,14] (2*7) 3.3.3.7/3 D8d [2+,16] (2*8) 3.3.3.8/3
Octagrammic antiprism 3.3.3.8/5
Octagrammic crossed-antiprism D9h [2,9] (*229) 3.3.3.9/2 Enneagrammic...
-
stellations if n is odd. Like the heptagon, the
octagon also has two
octagrammic stellations, one, {8/3}
being a star polygon, and the other, {8/2}, being...
