Approximately 70% of people can see it. However if we look at a picture with only one eye, or if the image is rotated at 90 degrees, we will not be able to see anything except the repeating pattern.
In other words, this 3 Dimensional Object can only be checked if you can focus your eyes properly. At a glance this image looks like a random 2 Dimensional pattern, but when you see this image in a special way or technique, the 3 Dimensional impact will be visible as well as a separate image can appear out or float above that pattern. This 3 Dimensional Illustrations might just be easier to see on paper than on your computer monitor. But keep in mind if you do not need to print it in color. Because of this 3 Dimensional Illusion Picture would still be visible even in a black and white paper print.
