Best method to import a QR code?

[Rick (Technical Evangelist)]

I believe it is just understanding how LightBurn identifies to boundaries of your art for filling. All shapes on a single cut layer are treated as though they are boundaries for a single object. Fill works by toggling on / off every time you cross a boundary - that’s really it.

Have a look at below for some visual examples.

How do I invert (negate) a vector engraving?

If you want to invert a vector engraving (Fill layer) you need to add an outline to it. Think about what happens when you scan a circle, compared to the letter ‘O’. The inner ring of the O toggles the fill. If you add another shape (like a square) outside it, it negates the whole thing: [image] And a slightly different example, this time done by changing the outer line around the design to a ‘Line’, instead of leaving it as part of the Fill layer: [image] In the case above, the design alr…