The grime will not show up on my mesh. I appended your file and copied all the exact settings but no matter what I do it won't show up. What should I do?
Update: If I change the value of the mix node that is connected to the attribute node and the color ramp then the grime shows up. However if i change it on the material i appended from you then nothing changes.
Kent Trammell
replied
The attribute node is sourcing a vertex group from the model, which was generated by running the "Dirty Vertex Colors" operation (starting around 9:30 in the video). If you don't have that vertex group then the shader won't work as you see in the video.
You're sure you have that vertex group for each object?
