congratulations! a great movie.
I would give you some advice: when you start to vibrate you must place the primers on the right side, don't concentrate and push them toward the exit hole. Try to watch my italian video and everything will be easier and faster.
To realise Pal Filler in plastic, I should invest around $ 30.000 for the mould.
In your opinion, how many plastic PF could be sold in USA?
If we are talking about great numbers, I could think about investing such an amount.