LetterMats fonts are specialized fonts designed specifically for Wizard FrameShop software.
TTF Definition
True Type Fonts (TTF) are the True Type Fonts located in the /Windows/Fonts directory and may come from a wide variety of sources. A True Type Font will allow you to cut, Deboss or Pen the TTF with the CMC.
Note that these fonts have not been tested by Wizard and results may vary. Feel free to experiment.