In the latest pre-release of Lightburn, LB now integrates with the 2d parametric program Cuttle. You can sign up for a free 7 day trial of Cuttle. If you like it, it integrates pretty nice into LB. Just select the “Send to Lightburn” button and the file goes from Cuttle to LB.
You can use the current templates in Cuttle, or make your own. I have been creating Cuttle templates for 3+ years. It is pretty easy to develop parametric templates in Cuttle.
If anyone is interested in creating their own Cuttle templates, let me know. If you want to try some of mine out, my link is https://cuttle.xyz/@LayeredPaperArt/