On Tue, 16 Feb 2010 09:53:59 -0800, "John R. Carroll"
wrote:

steamer wrote:
--Doesn't seem to be one on usenet (!!) Can someone suggest a place
to discuss this topic? I'm taking a whack at making a small injection
molding die for a small, but fairly odd piece..

I could probably help out a little Ed.
I've done a lot of things but one of them was 30 years designing and
building injection molds.

I have a post-grad certificate in plastic injection mold design, but
John would probably be a better bet.