▁new ▁ 3 D ▁printer s ▁are ▁aim ed ▁at ▁the ▁small , ▁in exp ensive ▁market ▁including ▁the ▁m U V e 3 D ▁and ▁L um if old . ▁Rap ide ▁ 3 D ▁has ▁designed ▁a ▁professional ▁grade ▁crow ds our ced ▁ 3 D - pr inter ▁cost ing ▁$ 1 4 9 9 ▁which ▁has ▁no ▁f umes ▁nor ▁constant ▁r attle ▁during ▁use . ▁The ▁ 3 D ood ler , ▁" 3 D ▁printing ▁pen ", ▁raised ▁$ 2 . 3   mill ion ▁on ▁K ick st arter ▁with ▁the ▁pens ▁s elling ▁at ▁$ 9 9 , ▁though ▁the ▁ 3 D ▁Do od ler ▁has ▁been ▁critic ized ▁for ▁being ▁more ▁of ▁a ▁craft ing ▁pen ▁than ▁a ▁ 3 D ▁printer . ▁ ▁As ▁the ▁costs ▁of ▁ 3 D ▁printer s ▁have ▁come ▁down , ▁they ▁are ▁becoming ▁more ▁appe aling ▁finan cially ▁to ▁use ▁for ▁self - man ufact uring ▁of ▁personal ▁products . ▁In ▁addition , ▁ 3 D ▁printing ▁products ▁at ▁home ▁may ▁reduce ▁the ▁environmental ▁impact s ▁of ▁manufact uring ▁by ▁reducing ▁material ▁use ▁and ▁distribution ▁impact s . ▁ ▁In ▁addition , ▁several ▁Rec ycle B ots ▁such ▁as ▁the ▁commercial ized ▁Fil astr uder ▁have ▁been ▁designed ▁and ▁fabric ated ▁to ▁convert ▁waste ▁pl astic , ▁such ▁as ▁sh am po o ▁containers ▁and ▁milk ▁jug s , ▁into ▁in exp ensive ▁Rep R ap ▁fil ament . ▁There ▁is ▁some ▁evidence ▁that ▁using ▁this