3D printing Prototypes: ABS Material Natural Color High Accuracy and Strength The most common 3D printing is SLA & SLS; SLA (Stereo Lithography Apparatus): uses a vat of liquid UV-curable photopopolymer resin and a UV laser to cut/build the shape of a layer. Then repeat the process. SLS(Selected Laser Sintering): use a high power laser to fuse small particles of parts (Scan), then build a layer. Then repeat the process. Matthew industry focused on mould making, plastic & rubber injection and rapid prototype for over 10 yearsWe've certificated with ISO9001 & TS16949 Certificated injection palstic moulds, automotive, electrical, medical home and office use. Served famous customers like Ford, volkswagen, Unilever , FIAT ABB etc.