Acronym	so
Name	stella octangula, compound of 2 tet
Coxeter symbol	{4,3}[2{3,3}]{3,4}
	© ©
Circumradius	sqrt(3/8) = 0.612372
Inradius	1/sqrt(24) = 0.204124
Vertex figure	[33]
General of army	cube
Colonel of regiment	(is itself locally convex)
Confer	sis   regular
External links

The common intersection of the stella octangula is a (scaled) oct. Moreover stella octangula is selfdual.

Incidence matrix according to Dynkin symbol

xo3oo3ox

o.3o.3o.  & | 8 |  3 | 3 || 1
------------+---+----+---++--
x. .. ..  & | 2 | 12 | 2 || 1
------------+---+----+---++--
x.3o. ..  & | 3 |  3 | 8 || 1
------------+---+----+---++--
x.3o.3o.  & ♦ 4 |  6 | 4 || 2

β2β2β

both( . . . ) | 8 | 1 1 1 | 3 || 1
--------------+---+-------+---++--
both( s2s . ) | 2 | 4 * * | 2 || 1
both( s 2 s ) | 2 | * 4 * | 2 || 1
both( . s2s ) | 2 | * * 4 | 2 || 1
--------------+---+-------+---++--
sefa( β2β2β ) | 3 | 1 1 1 | 8 || 1
--------------+---+-------+---++--
both( s2s2s ) ♦ 4 | 2 2 2 | 4 || 2