Similar to Left Stagger Offset, defines the default distance from the centre of the structure symbol to the origin of the left stagger symbol, but used specifically for twin and triple cantilever structures.
By default, the stagger symbol is on the left side of the structure symbol when its setting is a negative number. However this can also be changed in Project Settings; see positive stagger.
A number, expressed in metres.
Default Setting: -1.75m
Changing properties: If you wish to change the option of this property, your Project Settings Administrator must request a project settings change.