This is a powerful, but nonintuitive bit of software that I have finally figured out for making vcarved signs.
You can download the software for Linux, Mac and Windows at their website: https://www.scorchworks.com/Fengrave/...
You really only need to watch until about 9:22 to get the basic information. The rest is only if you need to figure out how to do a cleanup pass.
I have a written version of these steps if that will help you understand the process better. http://www.mythoughtspot.com/2022/05/...