Car Paint Shader Setup
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(The incidence node is used to simulate the Fresnel effect. The surfaces that are perpendicular to the camera will reflect 100% and the surfaces that are parallel to the camera will reflect approx 10 % – 20 %.)

Open the Gradient Node and select the black to white Preset. Select the black color marker on the bottom of the gradient set its RGB values to approx .08 to .10. Leave the white color marker at it’s default setting. Now select the mid point blend marker on the top of the gradient and set it’s position to approx. .78.




The next step is to connect a bump map, go to Nodes / Bump / Bumpmap Generator and connect this to the material nodes bump input (Don’t connect this to the bump input on the Phong shader)






Next select Nodes/Texture/Image and browse to a tileable texture map similar to the one shown below or you can generate a grayscale noise texture using a fractal. Nodes/Texture/Fractal.Set the bump factor very low – something around .15 -.2 should work well depending on the contrast in your bump texture.



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