use black and gray colors, make the pattern be slow Add noise

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use black and gray colors Monochrome gradients

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puppets Puppet Strings

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use black and gray colors, make the pattern be slow Implement subtle pulsation

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use black and gray colors, make the pattern be slow, add a pinch of water ripple effect Increase wave amplitude

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fractally divided Fractal Texturing

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use black and gray colors, make the pattern be slow Introduce blur effect

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