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Introduction

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• a bump map for fabric tension wrinkles
• the object used to generate it,
• the ramp grayscale image used to create it

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How it was created

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i applied it to the diffuse channel

diffuse color white

diffuse strength 0

ambient color white

ambient strength 100%

specular strength 0

vertical tiling 0.9 tiles

vertical tiling offset 0.05

added a point light to the scene, made it black ( this way there's no lighting )

this works because this object was UV Mapped by projecting the UV coordinates from the side

aee the mcjPlanarUV script on this topic