Blender Procedural Smudge Roughness Map

Fully procedural Smudge Roughness Map
(detail affects performance)

Inputs:
Scale: Noise scale

Scale Variance: How much the scale of other noise layers is affected

Detail: Noise detail

Distortion: Noise Distortion

Roughness 1-2-3: Roughness of each noise layer

Seed: Seed of the 4D noise

Spread: How much the smudges spread

Min-Max Roughness: The Min and Max roughness values of the output

Outputs:
Output: Roughness map