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1.0.A - 1.3.A How to draw the illusion:


Demo 1.3.A:


1.4.A How to draw the illusion:


Demo 1.4.A:


1.3.A - 1.4.A Some explanations:
Contrast polarity - 1.3.A:




Simultaneous Contrast Effect - 1.3.A - 1.4.A:


Simultaneous contrast effect:
- C
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