casting neck creator

Well, lately I'm messing hands with the issue of aluminum, practice makes perfect. It turns out that where I pour aluminum, (the mold inlet) sometimes left me a big mount of melt alu at end that does not feet into the melting pot to. Must be cut with the radial etc .. and is annoying for me.

To solve this problem, (I hope) I created this casting neck, it's just to make some good receivers aluminum necks, and then can be removed from a hammer.

I have also added the outer case, if someone do