It does redraw after each change, it’s true, and the wider you go, the more work it has to do with merging the intersections, so it can take longer. I could have a single-click version that measured the size of the selection, picked a number that it thought would work, and ran both offsets non-interactive. Might be worth a shot to see what it ends up like.
Either way I appreciate the help - this is a big time savings versus fighting with inkscape
If you’re good with Inkscape, maybe this may help: GitHub - fablabnbg/inkscape-centerline-trace: A bitmap vectorizer that can trace along the centerline of a stroke. The builtin inkscape 'trace bitmap' can only trace edges, thus resulting in double lines for most basic use cases. It uses 'autotrace -centerline' and an optimal threshold to vectorize a pixel image.
Centreline trace, makes one line instead of two.
Thanks for the recommendation, I saw that extension and got it working in Inkscape and had some luck with certain pictures, not so much with others. So far Lightburn seems to do a good job and if I can do it all within one program without all the headaches of multiple pieces of software I will be happy.
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