Creating roofs by extrusion in revit 2014 duration.
Revit architecture 2014 tutorial roof.
Starting revit and the revit display to start launch revit wait and then you should see the start window as shown below.
Under the heading projects select new you should now see the following pop up.
See hd version of video tutorial here.
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Revit 2014 roof eaves and external wall duration.
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Revit architecture tutorial creating roof shapes.