HelloLuxx - C4D - Mastering Materials Part 1
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In this first of a series of tutorials for Mastering Materials in Cinema 4D, Tim Clapham takes you through the processes involved in building your own procedural materials using the Cinema4D shader system. All of the materials you will make when following this tutorial are 100% procedural, this means that they do not use any textures and instead rely on tricks and techniques for controlling the Cinema4D native shaders. The advantage of creating procedural textures is that they are calculated mathematically and thus can be scaled to fit any model and will often tile seamlessly without any prepared UV map on your model.
http://helloluxx.com/product/learn-mastering-materials-cinema4d/