The MeshSplit command divides meshes into parts with another object.
Note: If the mesh has flipped face normals, the split may fail. Run the Check command to test and UnifyMeshNormals to correct the problem.
See also
Divide objects using other objects as cutters.
Divide a mesh edge.
Divide a mesh with a curve.
Rhinoceros 5 © 2010-2015 Robert McNeel & Associates. 17-Sep-2015