I got some people asking me for one and so I made one I hope this helps someone. ^^ please feel free to message me about how I did stuff I am cool with sharing cosplay info. I know some cosplayers tend to keep there "secrets" I don't believe in that.
I'm not saying people HAVE to use 3.5 meters they can use less if they want. I just did this up because so many people were asking how I made my cape and this is how I made it, alter it as you will, and yes my cape is quite long but I like it.