optical illusions:hand drawn impossible Impossible Shapes perspective perspective illusionThis hand drawn illusion is one of my favourites, its obviously quite old and was drawn as an exercise in perspective.
“Whoever makes a Design without the knowledge of perspective will be liable to such Absurdities as are shewn in this Frontispiece.”

by: William Hogarth
optical illusion:hand drawn impossible Impossible Shapes perspective perspective illusion




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