Cutting a Surface by a Curve

You can cut an object by selecting a set of objects taking the pick position into account.

Before you begin: Open a 3D Shape containing surfaces and curves.
See Also
About Cutting
Untrimming Objects
Manage the Object Selection Using Selector Panels and Selection Sets
  1. Select a surface by picking the region to keep and then select a curve.


  2. From the Surfacing section of the action bar, click OmniCut or OmniCutModify .

    You can also Alt + middle-click to access OmniCutModify.

    The surface is cut.

  3. Toggle the Cut Result options to specify the parts to keep.
  4. Change the Cut Type.
    OptionDescription
    Without Approximation

    (Face Type)

    With Approximation

    (Trim Type)

  5. Optional: You can click Go back to selection at any time to change the selection, define and use selection sets, or to choose another mode in the selector panel.
  6. Click OK.

In the OmniCut case, the input objects that were cut are set to Hide. In the OmniCutModify case, the input geometry is modified and remains in the Show mode.

Note: If you delete the OmniCut feature, the hidden input objects are not automatically set to Show. It must be done manually.