As requested on support…
Given a 3D model:
and text:
One then subtracts the text from the 3D model:
Adjusting the settings until one arrives at the desired result:
Which may then be cut into the 3D model as a separate toolpath, or into a 3D object if the 3D model matches the physical object:
Note that there will be some “air cutting” since the Stock Thickness is thicker than the model.