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#### Wrinkles

The `wrinkles` pattern was originally designed only to be used as a normal pattern. It uses a 1/f noise pattern similar to granite but the features in wrinkles are sharper. The pattern can be used to simulate wrinkled cellophane or foil. It also makes an excellent stucco texture.

When used as a normal pattern, this pattern uses a specialized normal perturbation function. This means that the pattern cannot be used with `normal_map`, `slope_map` or wave type modifiers in a `normal` statement.

When used as a pigment pattern or texture pattern, the `wrinkles` pattern is similar to normal wrinkles but is not identical as are most normals when compared to pigments.

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