For 3D printing to reach its true potential, there are a number of hurdles yet to be fully overcome, including the ability to cohesively — and cost-effectively — 3D print multi-material objects. The lab of Yong Chen, at USC Viterbi School of Engineering, however, may be onto a new technique that brings multi-material additive manufacturing closer to full realization. Professor Chen has developed a stereolithography (SL) method called mask-image-projection-based stereolithography (MIP-SL), which can not only speed up printing times, but also create objects with multiple materials that blend seamlessly into one another.…
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