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Blender 2.5 Materials and Textures Cookbook by Colin Litster

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Creating rust on iron-based metals

Simulating rust on iron-based metals is a really useful skill to learn in producing convincing urban metal objects. If you look around you at the real world you will see many examples of how red oxide rust will overrun metal surfaces, giving a certain drama to their look. This is because most metal manufactured items are derived from iron ore in varying proportions. In moist climates rust will form very quickly even under surfaces that have been protected with paint and other rust-inhibiting compounds. However, although a great problem to most bridge builders, rust is an extremely useful surface attribute to the 3D designer as it adds drama to a metal object. Rust is cool.

Getting ready

For this recipe we will ...

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