Re: Opinions on $250 cnc machine

> Dave
>
> Yeah I've seen what's been said about John K. for years now.
>
> But his stuff DOES work.
>
> I get by with cost because I cast mine myself. I've been working
> with this stuff since 1989. You buy a drum of it and make aluminum
> molds to cast a big block of it...them machine it to shape.
>
> If I drill a hole in a block of aluminum and I'm off .010 then I
> have to start over. with this stuff ,I can fix that hole and it's
> as if it were never there.
>
> I have machined images so small and fine on my prototype that
> you actually must use a magnifying glass to see the details.
>
> I'm not kidding about that either. my camera won't do pics that
> small though i'd love to show them.
>
> There are many different grades of castable polyurethane
>
> and it ain't cheap for the good stuff, but it has many, many
> uses for cnc.
>
> Thanks -John
>