"clipka" <nomail@nomail> wrote:
> However, often you don't want your final product to be machined, because that's
> prohibitively expensive for a lot of purposes. Pressed (is that the right
> word?) or cast parts or the like are much different: They need special tools
> that need to be made first (e.g., the molds in case of cast parts). Again,
> they're prototypes.

You design your final part in your CAD program, then design the corresponding
tool using the part as a starting point (many CAD applications will do this
semi automatically). You machine your tool, then use it to cheaply punch, cast
etc your main end product.

Bingo!

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