Literal optical illusions

Literal optical illusion are images that differer from the objects that create them. Artists may use objects such as fruit or foliage to create a portraiture or scenery. 
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Charles Allan Gilbert: All is Vanity
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Giuseppe Arcimboldo: Earth
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Giuseppe Arcimboldo: Vertumnus
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Octavio Ocampo: Bakery

Artists that use literal illusions:

Giuseppe Arcimboldo

Octavio Ocampo
           
Charles Allan Gilbert
            
Shigeo Fukuda

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