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#### Bumps

The `bumps` pattern was originally designed only to be used as a normal pattern. It uses a very smooth, random noise function that creates the look of rolling hills when scaled large or a bumpy orange peal when scaled small. Usually the bumps are about 1 unit apart.

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 `bumps` pattern is identical to `bozo` or `spotted` and is similar to normal bumps but is not identical as are most normals when compared to pigments.

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