This was originally a photon mapping test scene, but it evolved into
something quite different - rehearsal of trigonometry. The object is pure
CSG, spheres and torii, clipped by cones. I quite like the result...
Comments and suggestions, please!
Also, FYI, this is NOT "another photon mapping picture". It does use photon
mapping, but photon mapping is not the primary goal in this image. Just
wanted to say that...

Margus

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