Rendering

WaumpataMaikaefer

Look at the impossible cube below. It consists of red glass, which gives nice light reflections and refractions. Moreover, we see a completely right reflection of the cube on the wet floor.

Artist's deviantART profile http://waumpatamaikaefer.deviantart.com

Impossible cube
Impossible cube

The image was found at http://waumpatamaikaefer.deviantart.com/art/figure-impossible-45627683