I was oweing this for the lovers of M. C. Escher works.
Last July I visited the wonderful Escher Museum in Den Haag, Holland. One of my preferred works is the Print Gallery where a painting gets mixed with the surrounding real world in a precise geometrical way, as you can see bellow (borrowed from aixa.ugr.es/escher/table.html).
It is intrigating what happens in the center of the picture, where the distortion would be very chaotic.
In the museum there was a screen that played the following video with a computer simulation recreating the chaotic center. I recorded it with my own camera. Quality is not perfect, but watchabel.
It was calculated and produced by some university I can’t remember the name. If you know who made it, please let me know to put the credits here.
Check it out.