Laser sintering... (I guess)

[Tony_Hine_Nifty_Acce (Tony Hine (Nifty Access))]

Laser sintering… (I guess)
http://www.traveldailymedia.com/205079/airbus-plans-to-make-aircraft-using-3d-printers/

[Shachar_Weis]

Boing have been printing metal wing struts for almost 10 years.