While this kind of technology (trick?) isn’t precisely new, it’s been gaining a lot of attention on the internet recently. Quite understandably, because it looks really awesome. And the best part is that it’s very easy to do yourself.
On the verge of a pyramid one of four parts of the image from the smartphone screen (or the tablet computer) is projected. Thus, each side of the viewer sees the image, creating the illusion of three-dimensional objects within the pyramid.