Perspective manipulation, las Laws of Gestalt perspective governing, the use of elements “real quasi”, allow deceive the senses as this interesting image.
?Taken an Ikea manual? Not, but almost. ?You would be able to understand?
Source: Instructions from hell
As such I leave this interesting animation synthesis recreates a classic image of the “impossible figures” in which water has been replaced by balls or “marbles” rolling on a “Perpetual Motion”. Very interesting realization, you enjoy the curious paradox.