Python and Turtle animation,Difficulty Level 5,timer events Breathing Square Illusion with Python Turtle

Breathing Square Illusion with Python Turtle

When the opening is small, the blue square seems to be getting bigger and smaller. Thus, this illusion is called ‘Breathing Square’ illusion. As you can see below when the opening get bigger, what’s inside is just a rotating square, which doesn’t get bigger or smaller.

Rotating Square – Breathing Square Illusion

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