This is for specifically the World of Warcraft Deluxe Figure : Illidan Stormrage figure.
While moving house the clips on my glaives broke and so I got around to finally fixing them with thanks to 3d printing! I know this is super niche but it might help someone else out there.
I had to use some decent force to push them in to the glaive itself, but they clip onto the hands very nicely and securely. Make sure to take the old remnants out of the glaives so they fit in properly.
Attached is a blender file if you require to slim it down a bit to slot in easier up to you, but it worked as is for mine. As well as the 3mf file that I used to print these.