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SLA (Stereolithography) is an additive manufacturing process through the curing and laminating of the liquid photosensitive resin scanned by laser light layer by layer to build up the 3D model . SLS (Selective Laser Sintering) is another additive manufacturing method that nearly same as SLA except for the modeling materials which are solid powder with PA and PAGF simulant properties and metal. Normally, SLA/SLS production cost is higher than CNC vowin.cn/en/News/news1251.html' target='_blank'>machining, but no design limitation and can be done very quickly even within hours.
