Propello-octahedron
This 26" piece, titled Propello-octahedron, is made of
150 CDs. It is installed at Princeton University, in the common room of the
Mathematics department, Fine Hall. Spectacular rainbows change constantly
as it moves because the CDs have a special holographic front surface. It looks
very different in different lights.
It is based on the same polyhedron as
Yin and Yang (topologically the same but slightly different geometrically).
There is one CD for each of the 30 vertices, and two parallel CDs for
each of the 60 edges. The CDs were provided by Katherine Cochrane of the CD-Info
Company.
This sculpture is in the collection of Prof. John Horton Conway,
at Fine Hall at Princeton University.
copyright 1999, George W. Hart
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