please enjoy the return of SIRDS. The "Single Image Random Dot Stereogram".
In the following presentation look at the spots, and relax your eyes. Try to look “through” the screen, bringing the two spots together in the middle. If you succeed you will see 3D shapes appearing.
Enjoy the show.
It is not possible with monocular vision. Having one seeing eye left, for example, or due to certain perception dysfunctions. No need for frustration, in this case here is the link to the solution:
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