Excel Optical Illusions Week #31

My Excel version is a simple XY Scatter plot of four circles. That's right, circles. The illusion of spirals is particularly strong, at least for me. To the right of the chart I left the various markers so you can see how it is done.

Here is the file.

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Why do I share these optical illusions? The techniques that are used to make them, when mastered, can be used in many other Excel projects, in charting, formula crafting, and formatting. Learn them. They will aid you on your journey to become an Excel Hero.

Here is a list of other Excel Optical Illusions here at Excel Hero:

- Bulging Checkerboard

- Egg Shadow

- Intersection Dots

- Fraser's Spiral

- Pastel Waves

- Ambiguous Cube

- Eye Jitter

- Eye Jitter 2

- Hering Illusion

- Shaded Diamonds

- Stereokinetic Illusion

- Snake Illusion

- Swirling Almonds

- Lilac Chaser

- Counter-Intuitive Illusory Contours

- Swirling Almonds 2

- Breathing Square

- Enigma

- Two Tributes to M.C. Escher

- Two Sinusoids

- Perpetual Collisions

- Freezing Rotation

- Reverse Spoke Illusion

- Swimming Fish

- Mutually Interfering Shapes

- Kaleidoscope Motion

- Curry's Paradox

- Square Circle Spiral