AO Mask

A procedural mask based on Ambient Occlusion

Parameters

Distance: Mask Distance
Blend: Mask Blending
Only Local: If set to 1, the ambient occlusion used for the mask will not react to close objects, only it’s own geometry.
Mask Strength: Mask Strength
Seed: Gives different results using the same parameters

▼ NOISE
Scale: Mask Noise Scale
Detail: Mask Noise Scale
Roughness: Mask Noise Scale
Distortion: Mask Noise Scale
Factor: Mask Noise Scale
Vector: An input where you can replace the default vector, you can for example plug a UV Map node with a Mapping node or any other texture coordinate.
More about stretched textures & mapping