Live Google Hangout on Air. Bart Dring of Inventables hosts John Lauer with the CNC group at Pumping Station One to show off ChiliPeppr.
https://www.youtube.com/watch?v=08KHl2vtiGM
Once used an Italian machine that would program tool and depth of cut with the layers of dxf…not exactly what you are describing but cool none the less.
Informative.