Blacker Black Materials Test
Best way to make a material blacker is to increase the Specular Exponent (Ns in the mtl file) M1-M6 demonstrate this.
Specular exponent goes from 0 to 1000, 0 being dull and 1000 being mirror-like
Of course the object will become shinier as a result.
In blender this is known as Specular Hardness
Also, setting the ILLUM value to a mirror effect (3,5) will make the object dark too, keep in mind that there will be a different illumination effect because of the mirror effect. M7- M9 demonstrate this effect
In Blender, setting mirror and giving it a <0 value will achieve this as well
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