, ▁and ▁demonstr ative ▁uses . ▁A ▁large ▁delta - style ▁ 3 D ▁printer ▁was ▁built ▁in ▁ 2 0 1 4 ▁by ▁See Me CN C . ▁The ▁printer ▁is ▁capable ▁of ▁making ▁an ▁object ▁with ▁diameter ▁of ▁up ▁to ▁ ▁and ▁up ▁to ▁ ▁in ▁height . ▁It ▁also ▁uses ▁pl astic ▁pel lets ▁as ▁the ▁raw ▁material ▁instead ▁of ▁the ▁typical ▁pl astic ▁fil aments ▁used ▁in ▁other ▁ 3 D ▁printer s . ▁ ▁Another ▁type ▁of ▁large ▁printer ▁is ▁Big ▁Area ▁Add itive ▁Man ufact uring ▁( BA AM ). ▁The ▁goal ▁is ▁to ▁develop ▁printer s ▁that ▁can ▁produce ▁a ▁large ▁object ▁in ▁high ▁speed . ▁A ▁B A AM ▁machine ▁of ▁C inc inn ati ▁In cor por ated ▁can ▁produce ▁an ▁object ▁at ▁the ▁spe eds ▁ 2 0 0 - 5 0 0 ▁times ▁faster ▁than ▁typical ▁ 3 D ▁printer s ▁available ▁in ▁ 2 0 1 4 . ▁Another ▁B A AM ▁machine ▁is ▁being ▁developed ▁by ▁Lock he ed ▁Martin ▁with ▁an ▁aim ▁to ▁print ▁long ▁objects ▁of ▁up ▁to ▁ ▁to ▁be ▁used ▁in ▁a eros pace ▁indust ries . ▁ ▁See ▁also ▁Const ruction ▁ 3 D ▁printing ▁▁ ▁Micro scale ▁and ▁nan osc ale ▁ 3 D ▁printing ▁ ▁Micro elect ron ic ▁device ▁fabric ation ▁methods ▁can ▁be ▁employed ▁to ▁perform ▁the ▁ 3 D ▁printing ▁of ▁nan osc ale - size ▁objects . ▁Such ▁printed ▁objects ▁are ▁typically ▁grown ▁on ▁a ▁solid ▁substr ate ,