--// EDIT : I just made a new design, not printed it yet, hand it's will surly give a lot more trust (if the simulation are correct xD) so if you print one let me know :D
here is the link :
thingiverse.com/thing:2063316

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Hi every one, Idecided to try making my own and unique Propeler for miniquad.
This is the first design, I'm already working on some other model : 3 to 6 blades, Bullnose, size.... I will try to publish them as soon I possible and also male a Customizer for you to change the props as you wich ;D
Happy making !!!