Filaments.ca Master Spool Remix

I like the filaments.ca econofil concept and after ordering a few spool refills, I quickly downloaded and printed their master spool (thing 2869973). After assembling my first spool, I noticed that the female part uses more plastic than I think is necessary, and I also found that there really isn't anywhere flat and smooth to stick the handy-dandy product sticker that filaments.ca awesomely includes with each econofil refill.

So I set out to modify and make it my own. Keep in mind that I am