Description by text:
Texture from downloaded 3d file, put back in C4d material editor:
Viewport: set preview to 2k
Reflectance: delete default layer,
add 1st layer (name as Dielectric) use GGX, Fresenl Dielectric, Specular strength 0%, Reflection strength: 25%
add 2nd layer (name as Diffuse) use Lamertian (Diffuse), put Color Base texture in it, Specular strength 0-100% (determine the object brightness)
Add 3rd layer (name as Metallic) use CGX, put color base texture in layer color, roughness 100%, apply Roughness texture; put metallic texture in Layer mask, Fresenl: Conductor; tick Opaque
Layer overlap as Metallic on top, Dielectric in middle, Diffuse at bottom
Metallic: put in Diffuse
Normal: put in Normal
Roughness: put in Reflectance → Roughness (sometimes metallic texture has included the roughness)
Height: put in Displacement, tick sub polygon displacement, height 3cm
In render setting, if using physical render→ in Physical box, HDR threshold, set Bluriness Subdvision (max) as 5
