//  A matte tiled texture
//  Requires
//    tx_color_A, tx_color_B
//  Defines
//    tx_texture

#declare tx_texture = 
  texture{
    pigment{ 
      checker tx_color_A, tx_color_B
      translate < -0.5, -0.5, -0.5>
      scale 6
    }
    finish{ 
      ambient 0.1 
      diffuse 0.9
    }
  }