Invalid Crease Line
Origami requires crease lines to match these rules:
- Crease lines must be straight
- Each end of each crease line must lie exactly on a cut line
- There must be no overlapping of crease lines
You get the “Invalid crease line” error when your design breaks one of the rules above.
Crease lines must be straight
Origami doesn’t support curved crease lines, so you may get this error for a dieline like this:
Make sure your crease lines are absolutely straight and that all their anchor points are converted to corners.
Ends of crease lines must lie on cut lines
Here is an example of an incorrect crease line. As you can see, the ends of the crease line are not on the cut lines, so Origami can’t figure out how to fold the shape:
Here is a more realistic example. Note that the right end of the crease line is not perfectly aligned to the cut line.
Origami tries to detect and fix such issues automatically, but sometimes you need to help it.
Note that it is OK to have several crease line segments making a single straight line. As long as the combined line is straight and its ends are on the cut lines, Origami will handle this correctly.
Here’s what overlapping crease lines look like:
Overlaps are usually small and not that visible, but as Origami highlights the problem line, you can easily find where the problem is.
What to do?
- Find the crease line highlighted by Origami in Illustrator.
- Make sure it is straight.
- Make sure its ends are on cut lines.
- Make sure no crease lines overlap.
- Fix everything you find until the error messages disappear.
Want More Hints?
- Empty Layout - You have not selected a document, the selected document has no Origami layer, or the document's Origami layer is empty.
- Path Is Not Closed - The die drawing must a have a solid, continuous outline path.
- Intersecting Holes - There can't be two holes in the same place or overlapping.
- Outside Hole - All holes must be inside the outline path.
- Impossible Shape - Some shapes simply don't exist.
- Z-Fighting - What to do with overlapping polygons.
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