Lee Vanwallene (baiter)
Although, it seems that such construction, which was created with LEGO constructor, cannot be exist in the real space, there were created many sculptures of impossible constructions. Even more, several artists also created models of Escher's artworks with LEGO.
Artist's deviantART profile http://baiter.deviantart.com
Infinite LEGO staircase
The image was found at http://baiter.deviantart.com/art/Infinite-Lego-Staircase-114248781