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A b?a na mbip?ta 3D, enwere tekn?z? d? iche iche d?, nke ? b?la nwere at?mat? na ngwa p?r? iche nke ya. ?z? ab?? ewu ewu b? SLA (stereolithography) na SLM (na-agbaze laser nh?r?) mbip?ta 3D. ? b? ezie na a na-eji usoro ab?? ah? emep?ta ihe d? n'ak?k? at?, ha d? iche na usoro ha na ihe ha. ?gh?ta ?d?iche d? n'etiti mbip?ta SLA na SLM 3D nwere ike inyere nd? ?r? aka ?h?r? usoro kachas? mma maka mkpa ha.

SLM 3D obibinke a makwaara d? ka mbip?ta 3D metal, b? usoro na-ag?nye iji laser nwere ikike d? elu iji h?r? agbaze na fuse dara powders ?n?, oyi akwa site oyi akwa, iji mep?ta ihe siri ike. Usoro a dabara nke ?ma maka imep?ta ak?k? ?la gbagwojuru anya nke nwere geometry d? mgbagwoju anya, na-eme ka ? b?r? nh?r? a ma ama na ?l? ?r? d?ka ikuku ikuku, ?gb? ala, na ah?ike.

N'ak?k? aka nke ?z?,SLA 3D obibina-eji laser UV gw?? resin mmiri mmiri, na-eme ka oyi akwa ya sie ike site na oyi akwa iji mep?ta ihe ach?r?. A na-ejikar? usoro a maka ?mep?ta prototypes, ?d? mgbagwoju anya, na obere mmep?ta ak?k? na ?l? ?r? d? iche iche.

Otu n'ime isi ?d?iche d? n'etiti SLA na SLM 3D obibi b? na ihe nd? ha na-eji. ? b? ezie na SLA na-ejikar? resins foto-polymer, SLM emebere ya maka nt? nt? d? ka aluminom, titanium, na igwe anagh? agba nchara. Nke a d? iche iche na-eme ka SLM d? mma maka ngwa nd? ch?r? ike, ?d?te aka na okpom?k? nke ihe nd? na-emep?ta ígwè.

Ihe ?z? d? iche b? ?kwa nke ziri ezi na imecha elu. Mbip?ta SLM 3D na-enye nkenke d? elu yana mma elu d? mma, na-eme ka ? dabara maka imep?ta ak?k? ?la ar? ?r? na nnabata siri ike. N'aka nke ?z?, a maara SLA maka ike ya ?mep?ta nk?wa zuru oke ma d? mma n'elu elu, na-eme ka ? b?r? nh?r? kachas? mma maka ?d? ihe ngosi na ?d? mma.

Na nch?k?ta, ebe ma SLA na SLM 3D obibi b? usoro mmep?ta ihe bara uru, ha na-egbo mkpa na ngwa d? iche iche. SLM b? usoro aga-eme maka imep?ta ak?k? ?la siri ike nwere at?mat? d? mgbagwoju anya, ebe SLA na-akwado maka imep?ta ?d? nk?wa zuru oke na ?d? mara mma. ?gh?ta ?d?iche d? n'etiti tekn?z? ab?? a d? oke mkpa maka ?h?r? usoro obibi akw?kw? 3D kachas? mma maka ?r? na ihe ach?r?.