able ▁res in . ▁It ▁was ▁developed ▁by ▁a ▁collaboration ▁between ▁the ▁University ▁of ▁California , ▁Ber keley ▁with ▁Lawrence ▁Liver more ▁National ▁Labor atory . ▁Un like ▁other ▁methods ▁of ▁ 3 D ▁printing ▁it ▁does ▁not ▁build ▁models ▁through ▁depos iting ▁layers ▁of ▁material ▁like ▁f used ▁de position ▁mod elling ▁and ▁s tere ol ith ography , ▁instead ▁it ▁creates ▁objects ▁using ▁a ▁series ▁of ▁ 2 D ▁images ▁project ed ▁onto ▁a ▁cyl inder ▁of ▁res in . ▁It ▁is ▁notable ▁for ▁its ▁ability ▁to ▁build ▁objects ▁much ▁more ▁quickly ▁than ▁other ▁methods ▁using ▁res ins ▁and ▁the ▁ability ▁to ▁embed ▁objects ▁within ▁the ▁prints . ▁▁ ▁Li qu id ▁add itive ▁manufact uring ▁ ▁Li qu id ▁add itive ▁manufact uring ▁( LA M ) ▁is ▁an ▁add itive ▁manufact uring ▁technique ▁which ▁depos its ▁a ▁liquid ▁or ▁highly ▁vis c ous ▁material ▁( e . g . ▁Li qu id ▁Sil ic one ▁Rub ber ) ▁onto ▁a ▁build ▁surface ▁to ▁create ▁an ▁object , ▁which ▁is ▁then ▁vul can ised ▁using ▁heat ▁to ▁hard en ▁it . ▁The ▁process ▁was ▁originally ▁created ▁by ▁Ad rian ▁Bow yer ▁and ▁was ▁then ▁built ▁upon ▁by ▁German ▁Rep R ap . ▁▁ ▁Lam ination ▁ ▁In ▁some ▁printer s , ▁paper ▁can ▁be ▁used ▁as ▁the ▁build ▁material , ▁resulting ▁in ▁a ▁lower ▁cost ▁to ▁print . ▁During ▁the ▁ 1 9 9 0 s ▁some ▁companies ▁market ed ▁printer s ▁that ▁cut ▁cross - sections ▁out ▁of ▁special