Optical illusions sometimes make us see things that aren’t there, but this one is completely different.
In this puzzle you don’t have to figure out how the artist deceived your eyes. On the contrary, you need to “complete” the picture – to see it in three dimensions. Vision will not help here – the ability to turn a flat image into a 3D model is required.
Let’s get started – note the time, you have 20 seconds.
QUESTION 1 OF 1

17
24
thirty