We remove the shading in the outer circles you see there actually perfect circle to because your brain knows the shadows in shading usually indicate that something Geniux has twists and turns it took the easy way out and decided the word perfect circles you might say it's your brains habit to think the cheating means something isn't straight we all know how hard habits cane a break this is just one example a pattern seen in pattern making.....
We remove the shading in the outer circles you see there
We remove the shading in the outer circles you see there