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Reutersvard optical illusion, black outlines. Impossible object. Created by following the concept of a Penrose triangle, shown with black contours. Isolated illustration on white background. Vector.
Reutersvard optical illusion, blue colored. Impossible object. Created by following the concept of a Penrose triangle, shown with blue cube shapes. Isolated illustration on white background. Vector.
Impossible figure, optical illusion with color cubes. Reutersvaerd figure. Isolated vector on white background.