Amazing Optical Illusion - How to Draw a 3D Cube and Hole - 3D trick Art

Easy way to make a 3D Cube and its hole with pencil shading. Trick art optical illusion on paper

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It took me:
40 minutes
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MATERIALS:
Pencil 2B
Charcoal pencil General's
Stump
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MUSIC:
https://www.youtube.com/audiolibrary/...

"Rhastafarian de Audionautix está sujeta a una licencia de Creative Commons Attribution (https://creativecommons.org/licenses/...)
Artista: http://audionautix.com/"
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