#A flat value is a number rather than a single colour image, see Material
#64/255 grey, 150/255 metal, matching the Iron-Scuffed basecolor and metallic these used to name
albedo	0.251 0.251 0.251
metalness	0.588
normal	Iron-Scuffed_normal.png
roughness	Iron-Scuffed_roughness.png
