Settings such as the middle vertical element to the trusses, the addition and direction of the last dioganal are located in the Elements tab of the truss settings dialog.
Location of Editing Element Settings
You can access the Truss Settings dialog by clicking the Settings icon from the Trusses toolbar that opens when the Truss command is clicked. Truss middle vertical and final cross member settings are located in Elements tab.
Click the Truss icon in the ribbon menu .
The trusses toolbar will open. Here Settings , click the icon.
The Truss Settings dialog will be displayed. Here Elements click the tab.
If you don't want the truss to be vertical there, uncheck the mid-vertical option.
If you don't want the last dioganal to be, check the Delete last dioganal.
Change the direction of the last dioganal by checking the option mirror last dioganal.
When you click the OK button, your truss will be formed according to the selections.
By unchecking the option, the central vertical element of the truss is removed.
Remove last dioganal
By checking the option, the last dioganal member of the truss is removed.
Mirror last diagonal
Checking the option, the direction of the truss is changed by taking the symmetry of the last dioganal member.