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In order to further explore the realization method of 3D printing, and to get a promotion in the precision and efficiency, based on the structure of the plotter, combined with the stereolithography (SLA) technology, a new stereolithography plotter (SLP) design was presented for 3D printing with photosensitive resin. Its movement structure was similar with the plotter, and laser focus part did xy two-dimensional motion directly. Its focus length was much shorter than that of SLA, so its power requirement of light source was lower. Compared to the SLA and digital light processing (DLP), its work field can be extended more easily. © 2015, Beijing University of Technology. All right reserved.
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