I was looking at DIY molding ... 1 ounce of plastic at
most.
But you need access to a machine shop ... None around here.
See here for the book.
http://www.lindsaybks.com/dgjp/index.html
If that's the book I think it is, then I have it, and the machine
certainly looks as though it should work. One day I intand having a go at
making it (but I am short of circular tuits at the moment).
Of course making the machine is only half the problem, you still have to
make the mould.
As regards a lack of machine shop, I am pretty sure David GIngery has
written a set of books on making a machine shop from scratch. But my
experience is that the people who can do this (a) have access to machine
tools and more importantly (b) have been machinists for many years and
thus have a lot of experience as to what is possible, what is imporatant,
and so on. I don't feel many people could make a lathe from scratch
having never used one.
I buying a small-ish lathe totally out of the question for you? Yes, a
good one is expensive, but it's versatile, and will last for a very long
time with reaonable care.
-tony