Insert Valley Set Grid
Select a truss system grid (which doesn’t belong to the main roof)
Select Insert Valley Set Grid directly from Truss+ menu
A valley set grid will be automatically created
Note: Roof with a lower ridge is not the main roof
It’s not possible to insert the valley set grid to the main roof, as the main roof doesn’t need the valley set grid
If the selected grid belongs to the main roof, an error message will occur
To change a parameter of the main roof:
Click OK to close the error message
Select the truss system grid and go to Modify Truss System Grid
Uncheck the option Valley trusses will not be used and click OK
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