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Surface texturing is the process of applying a specific type of pattern of roughness onto the surface in order to change its properties. Texturing with features on multiple scales can be applied, starting from the micro/nanometer range extending up to millimetre range. This enables many new applications of engineered surfaces, where specific surface texture can be used to influence functional properties, eg, wetting, tribological characteristics of surfaces and optical properties. Generally, these surfaces are referred as functional surfaces.