Editing Center Marks To edit center marks: Select a center mark (the pointer changes to when it is over a center mark.) To select a center mark set, right-click one of the center marks in the set and click Select Center Mark Set. Edit the center mark properties in the Center Mark PropertyManager.You can also drag the extended lines to resize them. Click . Parent topicCenter Marks Setting Options for Center Marks Inserting Center Marks Manually Inserting Center Marks Automatically Adding to a Center Mark Set Dimensioning Center Marks Reattaching Dangling Center Marks Center Mark PropertyManager Example: Using Center Mark Dimensions Example: Using Centerline Fonts