The brain loves patterns! Drawing concrete, visual patterns like this actually helps you get better at discovering more abstract, non-visual patterns.

Here's one to try:

Pick a starting place on whatever you're drawing on. Draw four round shapes, with each line starting at that central point. You should have a clover shape or something like the letter x. Then go around the shapes you just drew, again starting at the same central point for each line drawn. Alternate thick and thin lines for each set of lines draw around that central point. Continue until the entire page is filled (going off the page for some) or stop and embelish the background, like I did above.

That's it! Now you have a simple, symmetrical, geometric design that's helped your brain become a better pattern detector and visual thinker!

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*Concentric is a math term that describes shapes with a common center.