Acronym ...
Name vertex figure of thex
Circumradius 3/sqrt(10) = 0.948683
Confer
related Johnson solids:
squippy  
variations:
ox4oo&#q   oq4oo&#h  

Incidence matrix according to Dynkin symbol

ox4oo&#h   → height = sqrt(5/2) = 1.581139
(pt || {4} – with h-lacings)

o.4o.    | 1 * | 4 0 | 4 0
.o4.o    | * 4 | 1 2 | 2 1
---------+-----+-----+----
oo4oo&#h | 1 1 | 4 * | 2 0	h-edges
.x ..    | 0 2 | * 4 | 1 1	x-edges
---------+-----+-----+----
ox ..&#h | 1 2 | 2 1 | 4 *	(xhh)
.x4.o    | 0 4 | 0 4 | * 1	(xxxx)

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