This isn't exactly new but I finally read about this open source laser fusion powder bed 3d printer. Interesting concept. The article does not get into what the various bits cost. laser source, control system, pumps and such.
It also relies on Autodesk Machine Control Framework (AMCF). open source for control.
3dprintingindustry.com
Anybody running a 3d metal printer at work?
picture from article above.
It also relies on Autodesk Machine Control Framework (AMCF). open source for control.

Build Your Own Metal 3D Printer with the New Open-source reAM250 Project - 3D Printing Industry
Researchers from the Technical University of Munich’s (TUM) Institute for Machine Tools and Industrial Management have developed ReAM250, a new open-source metal 3D printer. The reAM250 project allows researchers and other organizations to build their own laser powder bed fusion (LPBF) 3D...
Anybody running a 3d metal printer at work?
picture from article above.