Impossible Structures

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Abstract: How to build impossible structures?

Keywords: Picture Synthesis, Impossible Structures.

One simple way to build impossible structures is to define a library of elementary tridimensional symbols:

Then, their arbitrary bidimensional assembly will reveal impossibilities:

Then, colors can be added:

and/or transformations can be made:

Autostereogram -using a periodical paradoxal structure as a desguise texture- with an hidden gaussian mountain.	Paradoxal structure.	Paradoxal black hole.	Paradoxal structure.	Paradoxal structure -from Order to Disorder-.
Paradoxal structure.	Paradoxal structure in the sky.	Paradoxal structure based on the geometry of the sphere.	Paradoxal structure based on the geometry of the Bonan-Jeener's triple Klein bottle.	Paradoxal structure based on the geometry of the Boy surface.
Paradoxal structure based on the geometry of the plane.	Paradoxal structure based on the geometry of the sphere.	Paradoxal structure based on the geometry of the Bonan-Jeener's triple Klein bottle.	Paradoxal structure based on the geometry of the Boy surface.

Finally, here are some of my oldest impossible structures: