Click modify tab geometry panel cut drop down cut geometry.
Roof cut out revit.
Load the family into the project and place it.
Measure the width of your building.
Revit gives us three options.
Use one of the opening tools to cut a vertical or perpendicular opening in a roof floor or ceiling for example to accommodate a chimney.
You can cut openings in the faces of these elements or you can select the entire element to make a vertical cut.
Cut an opening in a floor roof or ceiling.
Click by face or vertical.
You can use model in place when you want to cut system families like roofs or walls.
Sure enough the way a toposurface works is by defining a 2d z boundary surface and then whenever a boolean operation is applied on the toposurface everything z is considered to be cut.
Architecture tab opening panel.
You can cut openings in the faces of these elements or you can select the entire element to make a vertical cut.
Two additional options two cut plumb and two cut square require us to also input the fascia depth in order for them to work properly.
Use a tape measure to measure the entire width of your building.
In the family category and parameters dialog select cut with voids when loaded and click ok.
Before you start cutting you first need to determine how long your roof rafters need to be and the angles at which you ll cut the top and bottom of the rafter.
Structure tab opening panel.
The default is plumb cut as we have seen in the previous images.
Use one of the opening tools to cut a vertical or perpendicular opening in a roof floor or ceiling for example to accommodate a chimney.