MeshSplit

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Mesh Split

The MeshSplit command divides meshes into parts with another object.

If a curve is selected as splitter, it is "extruded" in the z-direction of the current CPlane to intersect and split the mesh. If the curve is almost on the mesh, it is recommended to use the SplitMeshWithCurve command that pulls the curve onto the mesh for splitting.
If the mesh has flipped face normals, the split may fail. Run the Check command to test and UnifyMeshNormals to correct the problem.

Select objects to split.
Select cutting objects.

Enter "IP" and press enter to set an infinite plane as the cutting object.

Command-line options

Uses a tolerance that is more suitable for well-drawn meshes created using document tolerances. The value is computed using heuristics.

Uses document tolerances. This might not be the best value because meshes often have tiny features that might fall well below the document tolerance.

Uses coplanar overlaps in the computing of split.

Discards coplanar overlaps.

Keep (left) and Drop (right)

Keeps the split mesh neat by creating Ngons along the splitting edge.

Yes (left) and No (right)

If the split is partial and there is only one mesh in the result, do not modify the document.

Allows to select the meshes of the first step for them to be cross-split.

This option is only available when multiple objects are selected in the first step.

See also