5x4 inch propeller. Modeled off the Gemfan 5040. Didn't find any good propellers on Thingiverse so I made my own :)
UPDATE 8/24/2016
Use "Wider" files for inside diameter of 5.4mm to fit with lower tolerance 3d printers, the originals are exactly 5mm.
5040Prop-Wider.STL | 406.7KB | |
5040Prop.STL | 543.8KB | |
5040PropCCW-Wider.STL | 406.7KB | |
5040PropCCW.STL | 543.8KB |