How do I invert (negate) a vector engraving?

(Oz) #1

If you want to invert a vector engraving (scan 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:

And a slightly different example, this time done by changing the outer line around the design to a cut, instead of leaving it as part of the scan layer:

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