Splitting a Solid with a Surface or a Plane

1. Select Intersect > Combine .
2. Click the solid you want to cut.
3. Click the surface you want to cut the solid with.You can Ctrl+click multiple surfaces that together completely intersect a solid.If available, you can select a pattern of planes from the structure tree to cut the solid.
4. Mouse over the solid to see the regions created by the cut.
5. Click the region you want to delete.The regions you can delete are highlighted in red.