If I were willing to use Adobe Illustrator (or had a spare CS6 license for Windows), Iād probably be hard-pressed to decide between this and Vectric Vcarve if I were inclined to purchase a commercial tool:
https://amazoncanvas.com/category.php?catname=image-paint-gcode-pro
The company publishes patterns (some free samples, other paid ā not sure of the format) so may be worth checking out on that basis.