How to vary reflection smoothness according to incidence angle

In this material and rendering tutorial the ability to vary the degree of surface roughness according to view angle is explored. This is a powerful technique that simulates real world material properties which can be useful for architectural and product/package design.
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Nut Bar Project, Part 4: Creating the nut bar label material with a clear plastic region

This tutorial shows how to use the Mask function to control the interaction between stacked materials. In this particular case it shows how to create a product label with a clear plastic region.
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Texturing a metal cooking pot, Part 1

This tutorial begins the process of setting up a complex material system for a cooking pot. It looks at creating a metallic material that uses a series of overlaying ‘modifier’ materials to create the final appearance. Material subsets, anisotropy, UV mapping and incidence reflectance are covered.
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Dreidel toy: Texturing, part 2

This tutorial finishes the texturing of the dreidel spin toy. It specifically applies the coloration and design elements. The process of using only selected materials is described, in addition to the use of material transfer modes. Several texturing techniques for creating a roughened up texture map is explored in Photoshop.
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