weird red Pulsating Glow

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Fractal Patterns

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Iris Iris Realistic Shading

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use black and gray colors, make the pattern be slow, add a pinch of water ripple effect Contrast increase

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Radial Symmetry

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Vibrant Strokes

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use black and gray colors, make the pattern be slow, add a pinch of water ripple effect Adjust ripple frequency

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warm colors brain Layer variation

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