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3DprintingFormethodsofapplyinga2Dimageona3Dsurface,，如有侵权，留言第一时间删除！
additivelycanbeusedanywherethroughouttheproductlifecycle,frompre-production()tofull-scaleproduction(),inadditiontotoolingapplicationsand
[9]post-productioncustomization.
Inmanufacturing,andmachininginparticular,"additive"forcenturies(suchasjoiningplates,sheets,forgings,androlledworkviariveting,screwing,forgewelding,ornewerkindsofwelding),itdidnotincludetheinformationtechnologycomponentofmodel-(generatingexactshapeswithhighprecision)hastypicallybeensubtractive,fromfilingandturningtomilling,drillingandgrinding.[9]"systemforgeneratingthree-dimensionalobjectsbycreatingacross-sectionalpatternoftheobjecttobeformed"—ina1984patent.[10][11]Generalprinciples3Dmodelslicing.
PrintingToperformaprint,themachinereadsthedesignfromanSTLfileandlaysdownsuccessivelayersofliquid,powder,,whichcorrespondtothevirtualcrosssectionsfromtheCADmodel,.
PrinterresolutiondescribeslayerthicknessandX-Yresolutionindpi(dotsperinch),[citationneeded].「??m(250DPI),althoughsomemachinessuchastheObjetConnexseriesand3DSystems'ProJetseriescanprintlayersasthinas16??m(1,600DPI).[12]X-Yresolutioniscomparabletothatoflaserprinters.
Theparticles(3Ddots)arearound50to100??m(510to250DPI)indiameter.
Constructionofamodelwithcontemporarymethodscantakeanywherefromseveralhourstoseveraldays
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