Acronym  siddy 
TOCID symbol  diID* 
Name  small dodekicosahedron 
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Circumradius  sqrt[(17+3 sqrt(5))/8] = 1.721489 
Vertex figure  [10/9,6/5,10,6]/0 
General of army  f3o5x 
Colonel of regiment  siid 
Dihedral angles 

Confer 

External links 
As abstract polytope siddy is isomorphic to giddy, thereby replacing decagons by decagrams.
This polyhedron is an edgefaceting of the small icosicosidodecahedron (siid).
Incidence matrix according to Dynkin symbol
reduced( x3/2x3x5*a , by 20{6/2} ) or reduced( x5/4x3x5*a , by 12{10/4} ) 60  2 2  2 2 ++ 2  60 *  1 1 at pseudo {3} 2  * 60  1 1 at pseudo {5/2} ++ 6  3 3  20 * 10  5 5  * 12 or (as abstract polyhedron, but no isotoxal realization exists) 60  4  2 2 ++ 2  120  1 1 ++ 6  6  20 * 10  10  * 12
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