Please see the render below this started happening when i was changing around the reflection amount within the frensel bit - the leather couch renders too dark then the correct bits come out as intermittently dispersed squares...

you can get hings to render normaly by adjusting things so the material is either way too reflective or not reflective enouh...
....any ideas, i'm stuck!

you can get hings to render normaly by adjusting things so the material is either way too reflective or not reflective enouh...
....any ideas, i'm stuck!
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