CGCookie – Blending Decals into Target Material in Blender 2.8https://cgcookie.com/lesson/blending-decals-into-target-materialIn this video we're going to...
• How to install and use the convenient Quick Caster decal projection addon.
• Setup decal to use the same UV bump map as target.
• Setup decal to use the same Procedural bump map.
• Shader mixing (like chipped paint)
• Full incorporation with grungy painted metal material.