Helmholtz triangles and squares optical illusions. A ttriangle appears higher (A), seems to move right (B), a square appers higher (C) or wider (D).

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Helmholtz triangles and squares optical illusions. Equilateral triangle with horizontal lines appear higher (A), with angled lines it seems to move right (B). A square appears higher (C) or wider (D).

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Size: 6000px × 6000px
Photo credit: © Peter Hermes Furian / Alamy / Afripics
License: Royalty Free
Model Released: No

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