I was fascinated to see these unusual paper works by German artist Simon Schubert (unfortunately, his website is in German) in the Guardian. He folds and creases paper to create an image. This description is a translation from his website:
In hardly noticeable interaction from positive and negative folding thereby, depending upon line of sight, is able to become again invisible however in the next moment, develops.
For more of Schubert's paperworks, click here.