The file 'King Air B300 Beechcraft Airplane 3D Printer Model' is (STL) file type, size is 2.6MB.
Print with support, belly down. Print 2 propellers and glue them on afterwards. I successfully printed this at 0.15 scale using 20% infill.
Got this model from GrabCad.com and made it into an STL file.
KingAirB300_-_BeechCraft_King_Air_2000-1.STL | 4.8MB | |
KingAirB300_-_Propeller2-1.STL | 1018.1KB |