Ndi chitukuko cha sayansi ndi luso ndi Kukwezeleza ntchito kufunika, ntchito prototyping mofulumira kupanga mwachindunji mbali zitsulo zinchito wakhala waukulu chitukuko malangizo a prototyping mofulumira.Panopa, waukulu zitsulo3D kusindikiza njira zomwe zingagwiritsidwe ntchito popanga zida zogwirira ntchito zachitsulo zikuphatikizapo: Selective Laser Sintering(SLS) luso, Direct Metal Laser Sintering(DMLS)teknoloji, Selective Laser Melting (SLM)luso, Laser Engineered Net Shaping(LENSI)ukadaulo ndi Electron Beam Selective Melting(EBSM)teknoloji, etc.
Kusankha laser sintering(SLS)
Kusankha laser sintering, monga dzina limatanthawuzira, utenga madzi gawo sintering metallurgical limagwirira.Pa kupanga ndondomeko, zinthu ufa ndi pang`ono anasungunuka, ndi ufa particles kusunga awo olimba gawo mitima, amene kenako anakonza mwa wotsatira olimba gawo particles ndi madzi gawo solidification.Kulumikizana kumakwaniritsa kuchulukitsa kwa ufa.
SLS lusomfundo ndi makhalidwe:
Chida chonsecho chimapangidwa ndi silinda ya ufa ndi silinda yopangira.Pistoni ya silinda ya ufa (pistoni yodyetsera ufa) imakwera, ndipo chogudubuza choyikapo ufa chimayatsa ufawo pa silinda ya pistoni (pistoni yogwira ntchito).Kompyutayo imayang'anira njira yowunikira yamitundu iwiri ya mtengo wa laser molingana ndi kagawo kakang'ono ka prototype, ndikusankha masita olimba a ufa kuti apange gawo la gawolo.Pambuyo pomaliza wosanjikiza, pisitoni yogwira ntchito imatsitsidwa wosanjikiza umodzi wokhuthala, dongosolo loyika ufa limayikidwa ndi ufa watsopano, ndipo mtengo wa laser umawongoleredwa kuti ufufuze ndikuwotcha wosanjikiza watsopano.Kuzungulira uku kumapitirirabe, wosanjikiza ndi wosanjikiza, mpaka magawo atatu apangidwe.