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When trying to mill a job with any offset other than Centerline, the following message is displayed:

One or more layers with tool offset has open curves.

Open curves will not be produced.

Do you want to move open curves to a new Centerline layer?

Press No to continue and ignore open curves.

If you click OK, i-cut will automatically change your tool offset to Centerline and take you through to the Production Manager. If you then run the file, your job will be produced over/under sized.


This is caused because the file you are trying to run has open curves. Without being closed, i-cut cannot define an inside or outside. To resolve, close any open curves.

  1. Click Edit > Apply Import Options.
  2. In the Import Options, ensure that the Connect Open Curves check box is selected.
  3. i-cut would have now connected the open curves. Check the Tool Path Preview to ensure that you have selected the correct tool offset.


Article information
Applies to

Kongsberg XL

Kongsberg XN

Kongsberg XE

Kongsberg XP

Kongsberg  VL

Last revised 
Problemlog Number-