Crazy Moving Square Illusion!

“Simple yet amazing illusion.
There are 2 sets of lines moving back and forth in a seemingly random fashion but when the paper squares are placed on the screen the randomly moving lines suddenly appear to be a square moving in a circular motion.
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I’ve seen this illusion for a while and have always been impressed by it. I wanted to try and create my own version.
You can find the original illusion and original creator of this illusion here:
Creator: Michael Bach”