Load the family into the project and place it. Click Modify tab Geometry panel Cut drop-down (Cut Geometry). Select the object to be cut. Select the instance with which to cut.

How do you cut a solid in Revit?

Click Modify tab Geometry panel (Cut). Select the solid form to be cut. Select the cutting solid form. The solids cut accordingly.

How do you cut a family in Revit?

To cut through one of these families/categories, edit the family and change its type value to a type that is not listed as “Non-Cuttable” or create a detail item that represents the family in the section.