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Invert and stencil

Create a negative stencil from an image.

Sometimes a stencil has the wrong side filled. You need the area around the motif rather than the motif itself. Invert swaps the two before the contours are built.

Photo · logo · drawingNegative SVG · PDFLocal processing

What actually changes.

Invert reverses the black-and-white mask. Every black region becomes a cut-out and every white region becomes shape. This is useful for negative stencils, knocked-out lettering and certain stamp or print workflows.

An inverted image may create a very large outside area. Decide which part you actually need. The lasso can limit the working area and remove unnecessary background.

Inspect before export

  • Is the correct side defined as material?
  • Do counters and bridges remain connected after inversion?
  • Is the outside frame intentional or just image background?
  • Are small floating islands stable at real size?

Step by step.

  1. Separate the motif into black and white first.
  2. Select Invert inside the image area.
  3. Compare Result with Original.
  4. Use the lasso to keep only the required stencil area.
  5. Inspect bridges and counters in Vector view.
  6. Export SVG or PDF and make a paper test cut.
Important limitation

Not every inverted shape becomes a practical stencil. Floating counters need bridges or a carrier so they remain in position after cutting.

Questions before export.

What exactly changes when I invert?

The complete black-and-white selection. Previous background becomes shape and previous shape becomes a cut-out.

Why does the inside of a letter disappear?

Closed counters may fall out of a stencil without bridges. Add the required connections during production preparation.

Can I invert only one part?

Invert affects the current mask. Use the lasso before or after to limit the relevant area.

Ready for clean contours?

Your image.
Real paths.

Process the source locally, compare every stage and export only when the form is right.

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