> Yes, here are machine shops, but Jamaica is a very poor country (thanks
> to its incapable and corrupt, partially even criminal government). The
> machine shops here are very limited in what they can do (type of
> machines they can afford), and also very limited by metal types.
>
> Some weeks ago, I tried to find a machine shop that can create a
> fast-rotating disc for a machine I wanted to build to make powder out of
> empty plastic bottles (see attached render image), and they couldn't do
> it. I went to over 20 machine shops until I gave up. I learned, what
> they can do, and what not.

I would be very interested to hear what they can do, if they can't turn 
this simple part for you. Even doing it freehand on a very basic 
metalworking lathe I can't imagine it taking more than an hour.

Your cutter disk thing is completely understandable, I can only imagine 
the reaction from our guys in the machine shop here at work if I took 
that design over to them :-O

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