I have purchased several designs from Vasily 39 on Etsy. When looking through the design files, I see different folders for 0 kerf and .15 kerf.
I understand kerf (long time woodworker), but I’m curious as to what the point of adding 0 kerf designs to a file is.
After googling quite a bit and searching previous topics here, I’m still not understanding why the 0 kerf would be in there. There’s always going to be kerf-consumption, even with a pinpoint laser.
Quick and dirty answer, anyone?
The 0 kerf would be the nominal design. So as intended. The kerf variations are likely hard-coded design changes that deviate from the original design.
The 0 kerf version allows you to account for kerf on your own.
Note that LightBurn has a built-in feature for kerf adjustment in the Cut setting. Alternatively, you can use the Offset Shapes tool to hard-code your own kerf compensation.
Also note that all laser machines will have its own kerf characteristics so may not fit a specific pre-defined kerf value very well.
Makes sense, not actually sure what the kerf is on my laser at optimal focus range, so the 0 kerf sounds like where I need to start testing. I be it’s smaller that .15 (hopefully)
Thanks again!
Check out this tool to test kerf:
Nb. if you use “boxes.py” you (also) have the option to set the kerf from standard 0.1 mm to 0 mm and then use LightBurn for the task.
In my eyes, it is a professional way to take care of kerf in their designs, knowing that people handle the task individually.
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