Srid-facettings

The 120 edges of the srid (small rhombicosidodecahedron) can be connected by triangles (first number), squares (second number), pentagons (third number) and decagons (fourth number). In the srid there are only 20 triangles, 30 squares and 12 pentagons. 30 polyhedra are possible. With a 3-fold rotation axis there are 11 pyramidal and 3 antiprismatic, with a 5-fold rotation axis there are 10 pyramidal and 3 antiprismatic shapes. Three polyhedra are icosahedral. These are the small rhombidodecahedron (sird), the small dodecicosidodecahedron (saddid) and the srid itself.

symmetry: icosahedral

click on the picture for VRML-solid, on the text for VRML-frame
sird |
saddid |
srid |
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Further srid-models by R. Klitzing:

or back to the garden door