triacontahedron

It's a set of thirty magnetic rhombic pyramids that forms a rhombic triacontahedron — one of nature's most beautiful shape.

Don't be afraid. Ann Althouse 2009

I realized that this much mass, spinning at one G along the periphery of a sphere which is close to a rhombic triacontahedron exerts an outward force entirely equivalent to a pressure vessel, whose characteristics are well known.

Archive 2009-10-01 Stephen D. Covey 2009

Many designs have been proposed, and I, personally, like a rhombic triacontahedron.

Archive 2009-10-01 Stephen D. Covey 2009

The Ball of Whacks is a d30 - a rhombic triacontahedron, to be precise - where each face is actually the base of a separable pyramid.

Archive 2007-07-01 2007

Having spent a lot of time in the past making all sorts of similar shapes - from as few as four sides (tetrahedron) to as many as 30 (triacontahedron - love those … from my problem years obsessing over the golden mean … still my favourite number, perhaps), I can appreciate this new turn on an old chestnut: The foldy-fiddly-spirally touches on each face?

How Much?! cjohnson 2006

At least initially, WolframAlpha probably will appeal most to technical specialists - people who make calculations based on how many vertexes are on a great rhombic triacontahedron

The Seattle Times 2009

At least initially, WolframAlpha probably will appeal most to technical specialists - people who make calculations based on how many vertexes are on a great rhombic triacontahedron

The Seattle Times 2009

Illuminate us.) * Something purported to stimulate right-brained creativity – the Ball of Whacks (HERE) is a 30-sided “rhombic triacontahedron” with “magnetic pyramids that can be arranged in an infinite number of conficurations.

Writer Unboxed » Blog Archive » Gifts for Writers 2007

"Stellation of rhombic triacontahedron with 30 identical rhombic faces makes base for this sculpture.

بالاترین 2009