Ways of seeing

I've worked on a simple optical illusion experiment, which the way that two images are placed on the cardboard creates optical illusions. Depending on where the viewer is standing, the images would look different. 

Below is the process I took for this experiment. 

Yuri Endo 2012

Reference: Black Line Chair by Masayuki Hayashi, Street art by Roa , Mentalgassi For Amnesty International