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Additive manufacturing (AM), the 30‐year‐old method, to make parts by stacking thin layers of a raw material‐like powder is still in evolution. Among the drawbacks of AM, surface quality is often reported, especially when the raw material is powder. The roughness, Ra, can vary between 10 and 20 µm, with a peak‐to‐valley distance which can reach 0.2 mm, depending on the AM technology. This has an impact...