Jay, Shapes and images are tricky to engrave or to convert for the laser to be able to process. In many cases, the software lack the tools to convert or prepare the image for processing. I beleive that they focus on processesing the cut more than getting the image adjusted ust the way you want it. I have four program that I use to work with images to prepare them for final processing on my laser software. I use Corel, Photoshop, Inkscape, and GIMP.
I wouldalso suggest spending sometime perousing some of the videos on YouTube on K40. There are hundreds of tutorials on the k40. I use a larger laser and from my experince you tube tutorials have been my best guide. Lasers can be a bit tricky with each software that you use. I personally prefer Lighburn (https://lightburnsoftware.com/) for my persoanl use. There is another similar software, RDWworks (https://www.thunderlaser.com/laser-download) which is free that I like also. Both are similarb ut Lightburn has more features but it's a licence software.