Changing the Attachment Point or Length of Dimension Extension Lines To change the attachment point or length of dimension extension lines: Select a dimension. Handles are displayed at the attachment end of the extension lines. The pointer changes to when it is over a handle. Drag a handle to the desired position or to a vertex.If you choose a vertex, the default extension line gap is used. In sketches, the value of the dimension changes to reflect the new attachment point. Parent topicDimension Extension Lines Making Slanted Dimension Extension Lines Flipping the Direction of Dimension Leaders Example: Smart Extension Lines Example: Dimension Line Terminology Attaching Dimension Extension Lines Jogging Extension Lines