<ul><li>Engineers at MIT have developed a new type of resin for 3D printing that reacts differently to different types of light.</li><li>When exposed to UV light, the resin becomes strong and durable, while visible light turns it into a material that dissolves easily in common solutions.</li><li>This innovation allows for printing both objects and supports simultaneously using different light sources, eliminating the need to manually remove supports.</li><li>The dissolved support material can be recycled back into the resin mixture, reducing waste and enabling more sustainable 3D printing practices.</li></ul>

Light-controlled 3D printing could cut waste and make recycling easier

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