Material used to create depth?

I got those type of calenders that have a bumpy texture and when you look from one angle it looks like it has depth. When you change the angle, the im

I got those type of calenders that have a bumpy texture and when you look from one angle it looks like it has depth. When you change the angle, the image shifts a little. Im wondering what material is used to create that and how it is done. Thanks!

or:I got those type of calenders that have a bumpy texture and when you look from one angle it looks like it has depth. When you change the angle, the image shifts a little. Im wondering what material is used to create that and how it is done. Thanks!

Tags:angle,depth,