I have loaded a jigsaw puzzle grid in jpeg and used trace image but it gives double lines on all cuts. Anyway to change this?
Not in LightBurn, because it does not have center-line tracing.
You can make a bank shot off Inkscape or another graphics program with center-line tracing, export into SVG, then import into LightBurn.
You could try applying an outward kerf to the double-traced pieces, thus moving the cuts closer to the midline, then let LightBurn’s optimizer remove overlapping lines. It wouldn’t be perfect, but might be Close Enough™ to work.
Additionally, if you are only looking for any puzzle shape to cut, you can generate a desired pattern that is directly exported to SVG as single line graphics. There are many online generators available, I listed some here: Links and Media - Diode Laser Wiki (generators section).
That should usually be easier than tracing a pixel image.
Thanks for your help. Although II have been using a laser for a while I have mainly been cutting Model Aircraft parts which were traced using TurboCad and saved as .plt and loaded into Lightburn, no problem.
This is the first time I have tried working from Jpg or similar… After trying to get a decent cut file using Inkscape without much success I did a search on line and found a Jigsaw generator that did the whole thing and saved as a.svg file in about 2 mins.
I hadn`t thought of looking on line for generator.
Thanks again…
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Has anyone found a good online jpeg to svg converter. I have tried a few but they do the same as trace and produce a double line image
If your issue is doubled lines, use Inkscape and the autotrace trace function. That one features a centerline-trace, which will not produce the doubled lines.
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