In SolidWorks, you can add tolerances to dimensions in a sketch or drawing using the following methods: 1. Adding Tolerance in a Sketch (Part/Feature Design) Select a Dimension Click on a dimension in a sketch or in a feature (e.g., a hole size). Open the PropertyManager The Modify window or Dimension PropertyManager will appear. Enable Tolerance/Precision Look for the Tolerance/Precision section in the PropertyManager. Click the drop-down menu under Tolerance Type. Choose from the following typ