Quick Options Bar

Use Window > Show/Hide Quick Options Bar to display or hide it as needed.
The controls of the Quick Options Bar show the current settings of the currently active tab.
Layer Combination: Changing this setting applies a new Layer Combination to the view.
Scale: Changing this setting applies a new scale to the currently active window.
Partial Structure Display: Changing this setting applies a new Partial Structure Setting to the currently active window.
Pen Set: Changing this setting applies a new pen set to the model. (Not available in the Layout window.)
Model View Options Combination: Changing this setting applies a new Model View Options Combination to the whole project.
Graphic Overrides Combination: Applies a set of Graphic Override Rules to the view.
Renovation Filter: Choose a Renovation Filter to assign to the view.
Dimensions: Changing this setting applies a new Dimensioning standard to the whole project. (Not available in the 3D window)
To hide/show the Quick Options Palette, use Windows > Palettes > Quick Options Palette.