In this revit architecture tutorial i show you how to create an extruded roof form using the roof by extrusion tool.
Revit extrude portions of a roof.
Create a void extrusion and make to required cut in the new construction phase apply the cut and done.
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For the purposes of this tutorial i am going to use the following simple building.
With the roof by extrusion method in revit you first sketch the profile of the top of the roof in an elevation or section view and then extrude the roof.
Specify the work plane.
We will go through the latter steps below.
You can use a combination of straight lines and arcs to create the profile.
The highest level in the project is selected by default.
Revit completes the extrusion and returns you to the view in which you started the extrusion.
Click architecture tabbuild panelroof drop down roof by extrusion.
To resize the extrusion in the 3d view select it and use grips to edit it.
We will need an existing roof structure a new roof structure as well as an exact match to the portion of roof to be demolished.
Creates a roof by extruding a profile that you sketch.
The height of the roof depends on the location where you sketch the profile in the elevation or section view.
Revit roof by extrusion a how to guide presented by dzan ta autodesk elite expert repro products inc.
This should keep you existing roof in tact and show a cut in the new construction phase.
To view the extrusion open a 3d view.
In the roof reference level and offset dialog select a value for level.
You don t even need to sign up.
Display an elevation 3d or section view.
Hope this is of assistance.
If anyone is still looking for a solution you can make a roof cut into an existing roof using component model in place.
If you d like to learn everything about revit roofs you may be interested in my revit roofs masterclass course.
About creating solid and void geometry.