Creating a gray alien skin material with procedurals

In this recipe, we will create a gray alien-like skin shader as shown in the following screenshot, using Cycles procedural textures:

Creating a gray alien skin material with procedurals

The alien Suzanne as it appears in the final rendering

Getting ready

Start Blender and open the 9931OS_08_alienskin_start.blend file, where there is an already set scene with an unwrapped Suzanne primitive object.

The Suzanne_unwrapped_alien mesh has been modified by a shape key, to morph its monkey features into the head of a gray alien–like creature; in fact, in the Object data window, under the Shape Keys subpanel, there are the alien shape keys, with Value of

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