The lasers are at the other end of the fiber optics feeding the print head. It takes about a 1KW laser to cut stainless steel sheet. A 100W laser is about righ

The lasers are at the other end of the fiber optics feeding the print head. It takes about a 1KW laser to cut stainless steel sheet. A 100W laser is about right for plastics and wood. I suspect each laser is about 1KW, but they are not all turned on at the same time. That's an expensive system.