The roughness map is not making a difference at all on the material. I made sure it has enough contrast.

heres the file https://www.dropbox.com/s/lcvsk8g3vlvn092/Steam%20Shovel3.zip?dl=0

enter image description here

  • 1
    $\begingroup$ hello, maybe share your file: pasteall.org/blend $\endgroup$
    – moonboots
    Sep 18, 2021 at 5:30
  • $\begingroup$ and don't forget to do file->external data-> pack resources before $\endgroup$
    – Chris
    Sep 18, 2021 at 7:36
  • $\begingroup$ here you go dropbox.com/s/lcvsk8g3vlvn092/Steam%20Shovel3.zip?dl=0 $\endgroup$
    – Mike
    Sep 18, 2021 at 17:41
  • 2
    $\begingroup$ From the image, i think you need more specular than zero. Roughness controls the how sharp or diffuse a reflection is. Specular controls the intensity of the reflection. $\endgroup$
    – Emir
    Sep 18, 2021 at 19:48
  • 1
    $\begingroup$ @Emir is right :) 0 specular means 0% reflectivity no matter the roughness :) $\endgroup$ Sep 18, 2021 at 20:21


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