Validating Parts To check a part using DFMXpress rules: Open the part in SOLIDWORKS. In the SOLIDWORKS menu bar, click Tools > DFMXpress . Configure DFMXpress rules and select the correct manufacturing process. Click Run. DFMXpress identifies features, checks the appropriate rules for the manufacturing process, and lists Rules Failed and Rules Passed . If one or more rules fails: Under Rules Failed , expand rules to view failed instances. Select an instance. DFMXpress displays a message explaining the problem and highlights the problem area in the model. To zoom to the problem area, right-click the instance and select Zoom to Selection. Parent topicDFMXpress Overview Rule Descriptions Configuring Rules