This is the final render. 10'000'000 photons, 60 blur samples in focal 
blur and 5x5 area light with adaptive 1. It took 3h to render this - of 
which 2m 43s to shoot photons.

It is funny how the caustics on the checkered floor look almost like 
reflections. The floor, however, is not reflective. I think this effect 
could've been reduced by using less photons.

Severi

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