In order to use Carbide Create you’ll need to use the technique for getting from .egc to standard G-code:
In addition to the Donek spreadsheet the one other software tool I’m aware of (listed at: Shapeoko CNC Router, Rigid, Accurate, Reliable, and Affordable ) is:
Alternately:
If a design will accommodate rounding all of the corners, one can cut it without the need for special cornering action moves. Without them, any CAM software should give you a workable result with a Drag Knife. Simply use an engraving style (follow) toolpath which follows the line in your design which you would wish to have cut.[28]