Holography-based 3D printing produces objects in seconds instead of hours. Three beams of light carefully patterned to only intersect with each other produce a constructive interference in the exact points that need to solidify. Once that pattern is set, it only takes seconds to solidify the resin

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Holography-based 3D printing produces objects in seconds instead of hours. Three beams of light carefully patterned to only intersect with each other produce a constructive interference in the exact points that need to solidify. Once that pattern is set, it only takes seconds to solidify the resin