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Selecting Trussed Rafter Profiles
Another illustration of 'sectioning' to find the required profile would be the choice of either a cantilevered or bobtail truss, as shown in the following figures.
As mentioned earlier, computer graphic programs are increasingly assisting the designer to visualise the roofscape.  The figures in this section have been produced from MiTek's MI2000 layout, take off and design software.