Black spots... Blender Guru Tutorial - Anvil I did the tutorial of BLender Guru about the anvil but I am close to getting crazy due to some black spots I can not get rid of...

Render Preview:

Final Render:

I hope this is an obvious one... Thanks for looking into it.

Nodes:


Normalmap:


Goodle Drive Blender File
It's because there is an object hidden in the viewport but not to the render engine. Both objects have approximately the same shape and overlap each other at some parts. The node setup and baked map is perfectly fine.

Here's how you disable rendering the viewport-invisible object: