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The best description is the photograph (click on the area you'd like to enlarge):
What stands out is a simple geometric structure that is composed of a single repeated figure: the triangle. As you can see in the photos, mirrors are placed so that they are unrecognisable as such. These mirrors form the four sides of a tetrahedron, a three-dimensional geometric figure formed from four equilateral triangles:
This tetrahedron-mirror (approximately 33cm in height in the sculpture)
is placed between two white triangular props (each 54cm in length) that
support the mirrors. The entire structure is hung from two cables. Two
other cables maintain it in the vertical position shown in the photograph.
Finally, it is noted that three groups of black marks (
Photo 3, unlike Photo 1, shows that three black marks are joined in their reflection in the tetrahedron-mirror,
The black marks form a Greek character (not a letter), an alpha prima that looks like this:
The reconstruction of the base lines is an optical principle called an Anamorphic Image. This is the result of reconstructing a form without any identifiable structure (anamorphic, meaning without form) into another, recognisable form with a series of mirrors arranged as a tetrahedron. (In other words, a tetrahedron whose four sides are constructed from mirrors, like those of the sculpture). This principle is evident if the mirrors are observed correctly from the exact centre of the sculpture. From this view, it is possible to see that the three black marks (painted on the three white triangles) join to form one single image (shown above).
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are visible on top of the three white equilateral triangles
(see Photo 3).
