Water Bag Spout

Anyone who's every had to travel in the desert (or anywhere away from civilization) appreciates a cool drink of water. I've been using a canvas water bag for years, but on a recent trip, some idiot decided to slash it and I lost all my water.

These bags are becoming increasingly hard to get and I decided I'd have a go at making one.
But the spout, which on my old bag was metal, was causing me some trouble. So I decided to design one on Fusion 360.

I've added the .f3d file if you w