Check All: This button will turn on all possible 3D log items.
Uncheck All: This button will turn off all possible 3D log items.
Align: Click this button to access settings which will automatically move the currently visible items to a linear alignment.
Direction: Type in the direction along which the log items line up, such as "90" in the example below.
Column Spacing: This represents the distance of each column center from the next, expressed as a percent of the project dimensions.
Snap to Axes: This is a button that you can toggle on or off so that subsequent log columns which you move in the Layout pane will be snapped to the closest 45-degree angle in the layout preview window.