#declare Metal =
finish {
    metallic
    ambient 0.2
    diffuse 0.7
    brilliance 6
    reflection 0.25
    phong 0.75
    phong_size 80
}

#declare Brass_Texture  = texture { pigment{ rgb <0.71, 0.65, 0.26>} finish{ Metal }}

#declare Brass_Metal  = texture { Brass_Texture  }