Fix SVG open paths for cutting
Open paths are one of the most common reasons cut files fail. A shape that looks closed on screen can still be open in the SVG data, which breaks cutting workflows.
Symptoms
- Cricut or Silhouette reports “open paths” or “unsupported object”
- Cuts don’t complete or skip parts of the design
- Fills appear wrong or shapes look “broken” in preview
- Laser paths double back or leave gaps
Root causes
- Strokes not converted to paths
- Tiny gaps between endpoints
- Clipping masks hiding the real geometry
- Transforms that don’t expand cleanly
How Lumekon fixes it
- Validates SVG paths and flags open endpoints
- Normalizes strokes into true cut paths
- Flattens transforms and exports clean geometry
- Generates a separate cut outline and backing shape
Best input tips
- Export as SVG with strokes expanded
- Avoid tiny gaps or overlapping endpoints
- Keep shapes high-contrast and simple
- Use flat fills instead of strokes where possible
FAQ
Why do open paths break cutting?
Cutters need closed shapes to calculate clean toolpaths. Open endpoints can cause skipped cuts or tool errors.
Can Lumekon fix open paths automatically?
Lumekon validates and normalizes geometry, then outputs clean cut files and outlines.
Is it enough to look closed in Illustrator?
Not always. Visual closure doesn’t guarantee the SVG data is closed.