This 2-part shader tutorial shows how to add dirt, grunge, and blood textures to your shaders in Carrara’s Texture Room using the Multiply Operator. The texture maps from Hybrid Grunge Bundle from DAZ 3D are shown, but the method can be used for any grunge textures.
The second video expands on the idea, using 3D Paint to control where the grunge shaders will be applied. (silent)
