Ƙirƙirar wani nau'i mai mahimmanci na wannan jumla DMLS (Direct Metal Laser Sintering) wani fasaha ne na masana'antu wanda ya haifar da kayan aikin karfe ta hanyar yin amfani da karfe a wurare a sararin samaniya wanda aka kwatanta ta hanyar samfurin 3D.
Tabbas, sigar da ta fi rikitarwa ta jumla ita ce "Direct metal laser sintering (DMLS) fasaha ce ta ƙera ƙarfe (sintering) da EOS ta Munich, Jamus ta haɓaka, sau da yawa ana rikitar da ita tare da irin waɗannan hanyoyin fasaha, zaɓaɓɓen laser sintering (SLS) ko zaɓaɓɓen narkewar laser (SLM) ".