3D Text

Hello,

I am trying to model some 3D text to fabracate a steel stamping die.
The problem is that to create a stamping die, the text needs to have
a beveled or chiseled look. Where the beveled edges converge (i.e.
cross) is where the stamps image will transfer. I have tried Rhino
3D but when I try to 'taper extrude' fonts, the conversion point
(i.e. point where lines cross) varies in Z. This is due to the fact
that in Rhino you need to specify a draft angle. I don't care about
the draft angle, only where the convergence of the two draft occur.
The draft angle can vary as long as the stamp face is modeled on one
Z plane. I thought about using line fonts (font that is only a line
(or stick figure)) and extruding it this way. This would ensure the
stamp face is in a Z plane but I was unable to do this in Rhino. Any
suggestions would be appreciated.

Thanks,

Greg