Unfolding a Dodecahedron to Produce a Stage

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At the closing ceremony of the 2000 Olympic Games held in Sydney, the convertible stage was a dodecahedron. Two congruent parts were unfolded to form a flat stage, folded up again, and then lifted on a central pole.
Contributed by: Sándor Kabai (June 2007)
Open content licensed under CC BY-NC-SA
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"Unfolding a Dodecahedron to Produce a Stage"
http://demonstrations.wolfram.com/UnfoldingADodecahedronToProduceAStage/
Wolfram Demonstrations Project
Published: June 1 2007