Acronym	stip
TOCID symbol	(5/2)P
Name	stellated pentagonal prism, 5/2-prism, 5-prism with winding number 2, vertex figure of raggix
VRML	⭳ ©
Circumradius	sqrt[(15-2 sqrt(5))/20] = 0.725530
Vertex figure	[42,5/2]
Volume	sqrt[25-10 sqrt(5)]/4 = 0.406150
General of army	x v5o
Colonel of regiment	(is itself locally convex)
Dihedral angles	between {4} and {5/2}:   90° between {4} and {4}:   36°
Face vector	10, 15, 7
Confer	general prisms: nd-p   variations: x f5/2o   f x5/2o   v f5/2o   compounds: gikrid   giddird   general polytopal classes: Wythoffian polyhedra   segmentohedra
External links

As abstract polytope stip is isomorphic to pip, thereby replacing pentagrams by pentagons.

Further it also is abstractly equivalent to starpglass: in fact that one uses a point reflection, while this one uses a reflection plane orthogonal to its axis instead.

Incidence matrix according to Dynkin symbol

x x5/2o

. .   . | 10 | 1  2 | 2 1
--------+----+------+----
x .   . |  2 | 5  * | 2 0
. x   . |  2 | * 10 | 1 1
--------+----+------+----
x x   . |  4 | 2  2 | 5 *
. x5/2o |  5 | 0  5 | * 2

x2β5o

both( . . . ) | 10 | 1  2 | 1 2
--------------+----+------+----
both( x . . ) |  2 | 5  * | 0 2
sefa( . β5o ) |  2 | * 10 | 1 1
--------------+----+------+----
      . β5o   ♦  5 | 0  5 | 2 *
sefa( x2β5o ) |  4 | 2  2 | * 5

starting figure: x x5o

xx5/2oo&#x   → height = 1
({5/2} || {5/2})

o.5/2o.    | 5 * | 2 1 0 | 1 2 0
.o5/2.o    | * 5 | 0 1 2 | 0 2 1
-----------+-----+-------+------
x.   ..    | 2 0 | 5 * * | 1 1 0
oo5/2oo&#x | 1 1 | * 5 * | 0 2 0
.x   ..    | 0 2 | * * 5 | 0 1 1
-----------+-----+-------+------
x.5/2o.    | 5 0 | 5 0 0 | 1 * *
xx   ..&#x | 2 2 | 1 2 1 | * 5 *
.x5/2.o    | 0 5 | 0 0 5 | * * 1

ss5oo&#x   → height = 1
({5/2} || {5/2})

demi( o.5o.    ) | 5 * | 2 1 0 | 1 2 0
demi( .o5.o    ) | * 5 | 0 1 2 | 0 2 1
------------------+-----+-------+------
sefa( s.5o.    ) | 2 0 | 5 * * | 1 1 0
demi( oo5oo&#x ) | 1 1 | * 5 * | 0 2 0
sefa( .s5.o    ) | 0 2 | * * 5 | 0 1 1
------------------+-----+-------+------
      s.5o.      | 5 0 | 5 0 0 | 1 * *
sefa( ss5oo&#x ) | 2 2 | 1 2 1 | * 5 *
      .s5.o      | 0 5 | 0 0 5 | * * 1

starting figure: xx5oo&#x

ss10/3oo&#x   → height = 1
({5/3} || {5/3})

demi( o.10/3o.    ) | 5 * | 2 1 0 | 1 2 0
demi( .o10/3.o    ) | * 5 | 0 1 2 | 0 2 1
--------------------+-----+-------+------
sefa( s.10/3o.    ) | 2 0 | 5 * * | 1 1 0
demi( oo10/3oo&#x ) | 1 1 | * 5 * | 0 2 0
sefa( .s10/3.o    ) | 0 2 | * * 5 | 0 1 1
--------------------+-----+-------+------
      s.10/3o.      | 5 0 | 5 0 0 | 1 * *
sefa( ss10/3oo&#x ) | 2 2 | 1 2 1 | * 5 *
      .s10/3.o      | 0 5 | 0 0 5 | * * 1

starting figure: xx10/3oo&#x