The Use of Multiple Materials in Additive Manufacturing

Almost since the very beginning, experimenters have tried to use more than one material in Additive Manufacturing machines. In fact, multiple materials are a fundamental benefit to how some AM technologies work. The Laminated Object Manufacturing (LOM) process, for example, was one of the earliest AM technologies developed and required that sheet material (paper) be combined with a resin to bond the sheets together to form a composite object of paper and resin.