Enabling Configuration Switching To allow rules that switch configurations: Click Tools > Xpress Products > DriveWorksXpress. In the DriveWorksXpress Task Pane, on the Welcome page, click Add/Edit Projects . Select from the Edit list of models already in DriveWorksXpress and click Open. On the Drawings and Configurations tab, select Yes, allow me to create a rule to switch configurations. Parent topicSetting Up Models Capturing Dimensions and Features Assigning Custom Properties Adding a Drawing to a Model