Filastruder Vertical Bottle Hopper

I have tried a few hoppers for my Filastruder and I found a very good one for vertical mounting is http://www.thingiverse.com/thing:455026 . I just needed to make a few modifications as follows:

Hopper shoot:
I wanted to use an empty coke bottle so I can see all the pellets inside. I changed the feeding tube with a gradual shape change into a suitable mounting - the bottle end sticks in there tight enough. It is made for a 1.25L coke bottle but you might try others.
Also, I merged the Lo