摘要:AbstractAdditive Manufacturing (AM) is presenting an increasing growth in the last decades regarding the production of mechanical parts, due to its outstanding characteristics in relation to conventional processes. Indeed, AM can produce parts with unique geometries at once, which could otherwise require a lot of different operations or processes. However, like subtractive and forming processes, AM is prone to geometrical variations, which can affect the fit and function and even aesthetic features of its produced parts. This work aims to describe a research on the main AM processes regarding sources of dimensional variations in the mechanical parts production. The resulting analysis can be useful to provide designers with ways of geometrical errors compensation and correction in AM related designs.