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Twisted Cord Illusion (False Spiral) Postcard
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Twisted Cord Illusion (False Spiral) Postcard
What exactly do you see when you take a look at this twisted cord illusion? Showcase optics fun with this optical illusion postcard featuring the twisted cord illusion, also known as the false spiral or Fraser spiral illusion. Caption includes the following note for viewers: "Notice the overlapping black arc segments appear to form a spiral. Nevertheless, the black arcs are a series of concentric circles." Make others do a double-take with their eyes today!
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4.9 out of 5 stars rating16K Total Reviews
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5 out of 5 stars ratingBy Suzi G.August 16, 2025 • Verified Purchase
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5 out of 5 stars ratingBy Paul I.February 4, 2021 • Verified Purchase
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Creator Review
I had never seen these classic science fiction images and most of my friends have not seen them either. They are like little treasures! Amazing quality and fun to send people!
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Product ID: 239404581181556562
Created on: 4/6/2010, 12:11 PM
Rating: G