The Russian Foundation for Advanced Research Projects in the Defense Industry (FPI) and the All-Russian Scientific Research Institute of Aviation Materials (VIAM) have teamed up to design a drone that will be powered by VIAM's 3D printed gas turbine engine. The engine prototype weighs 900 grams and has 75 kilograms of thrust, according to VIAM, though the thrust may be increased to 150 kilograms without significantly increasing the mass of the engine. Read more at 3DPrint.com: https://3dprint.com/146706/russia-3d-printed-drone-engine/