Folded Picture Different Images What's A Picture Called When You Look At The Other Side & Has Different Image, But Different On The Other Side?

What's a picture called when you look at the other side & has different image, but different on the other side? - folded picture different images

I have to make the 3D object to my plan, English Picture of Dorian Gray, and I plan to this picture by you on the face that has to make a regular picture, but as you move through the image, a new series from different images. but it is like a folded fan, but I do not know what to say, I need help ASAP!