The final two Archimedean solids are derived from the cuboctahedron and the

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icosidodecahedron by adding equilateral triangles to their faces.  Triangulating the

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snubcuboctahedron.gif (5856 bytes)

snubcuboctahedron.gif (5857 bytes)

snubicosidodecahedron.gif (7351 bytes)

snubicosidodecahedron.gif (7353 bytes)

left

right

left

right

Fig. 17 - Snub cuboctahedron

Fig. 18 - *Snub icosidodecahedron

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Required parts

32 triangles, 6 squares, 60 pinges

140 triangles, 210 pinges
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faces of these polyhedra preserves their axes of rotational symmetry but it destroys

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all of their mirror planes.  As a result these snub polyhedra display left- and right-

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handedness in the same way that polygons with only rotational symmetry do.

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.Page 15    Geometry rules! - Symmetry association by truncation

 

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