I added a 4mm hole using Tinkercad to all the bladed parts to allow use of a cheap plant support metal as core for the blade for strength and stability.
http://www.homedepot.com/p/Vigoro-36-in-Plant-Prop-613672/100562892
I also split the "claw" piece to allow printing with less support material (top and bottom file).
You still need the pommel from the original