▁ad hes ive ▁co ated ▁paper ▁using ▁a ▁carbon ▁dio x ide ▁las er ▁and ▁then ▁l amin ated ▁them ▁together . ▁ ▁In ▁ 2 0 0 5 ▁M cor ▁Techn ologies ▁Ltd ▁developed ▁a ▁different ▁process ▁using ▁ordinary ▁sheets ▁of ▁office ▁paper , ▁a ▁t ung sten ▁car b ide ▁bla de ▁to ▁cut ▁the ▁shape , ▁and ▁select ive ▁de position ▁of ▁ad hes ive ▁and ▁pressure ▁to ▁bond ▁the ▁prototype . ▁ ▁There ▁are ▁also ▁a ▁number ▁of ▁companies ▁s elling ▁printer s ▁that ▁print ▁l amin ated ▁objects ▁using ▁thin ▁pl astic ▁and ▁metal ▁sheets . ▁ ▁Ul tr ason ic ▁Cons olid ation ▁( UC ) ▁or ▁Ul tr ason ic ▁Add itive ▁Man ufact uring ▁( U AM ) ▁is ▁a ▁low ▁temperature ▁add itive ▁manufact uring ▁or ▁ 3 D ▁printing ▁technique ▁for ▁met als . ▁▁ ▁Direct ed ▁Energy ▁De position ▁( DE D ) ▁▁ ▁Pow der - f ed ▁directed - energy ▁de position ▁ ▁In ▁pow der - f ed ▁directed - energy ▁de position , ▁a ▁high - power ▁las er ▁is ▁used ▁to ▁m elt ▁metal ▁pow der ▁supplied ▁to ▁the ▁focus ▁of ▁the ▁las er ▁beam . ▁The ▁las er ▁beam ▁typically ▁travel s ▁through ▁the ▁center ▁of ▁the ▁de position ▁head ▁and ▁is ▁focused ▁to ▁a ▁small ▁spot ▁by ▁one ▁or ▁more ▁l enses . ▁The ▁build ▁occurs ▁on ▁a ▁X - Y ▁table ▁which ▁is ▁driven ▁by ▁a ▁tool ▁path ▁created ▁from ▁a ▁digital ▁model ▁to