The file 'Emax Nighthawk 250 Quadcopter Frame 3D Printer Model' is (stl) file type, size is 173.9KB.
Now the entire frame can be reprinted. Search Ebay for "Emax Quadcopter hardware" kits for a screw set.
Chassis 2.1mm thickArm 4.2mm thick, fits 6" propsTop 1.7mm thick