Dimensioning the Width of the Rib Click Size Dimension (MBD Dimensions toolbar). Turn the model to the front so that you can see the rib. Select a triangular side of the rib. On the feature selector, select Create Width Feature . Turn the model and select the other side of the rib. On the feature selector, click . Drag up from the rib to place the dimension. In the PropertyManager, click . With Show Tolerance Status (MBD Dimensions toolbar) enabled, the rib sides are yellow, indicating that it is partly toleranced. Parent topicDimXpert Tutorial Overview Previous topic Dimensioning Manually Next topic Dimensioning the Rest Automatically