Adding Text to a Mold

I need to add text to the surface of mold cavity. I want tohave a font that is just a single line. That way it can be cut inwith a ball end mill quickly.

The fonts that I found have double line and are extruded into thepart making them an edm or very small end mill machining process. Iwould like a single line that a ball end mill can follow.

Any ideas?

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