Some of these 3D optical illusion GIFs are really really skillful . Scrat — the sabre - tooth squirrel from Ice Age — really achieves the effect . It ’s perhaps the best of this assemblage .
These GIFs use profoundness of field and pictorial elements to achieve their effect , just like many classical painting . The white lines delineate the planing machine where the screen is , creating a mental sectionalization between screen background , midplane and foreground . Combined with the photographic camera ’s deepness of field blur , it tricks our mastermind into think that things are popping out of the sieve .
The magic trick fall apart when the target touches the edge of the GIF , which is why the GIFs above work better than the one below .
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