To set a custom angle

1. Click the Dimension Tool in the toolbox.

2. Select the dimension line you want to modify.

3. Click the Dimension Options button in the ribbon. The Dimensions dialog box opens.

4. Click the Text Orientation tab, if necessary.

5. Click the Custom Angle option to select it.

6. Enter a number in the text box or drag the red needle in the dial control to specify a custom angle.

7. Click Apply to display the dimension at the custom angle.

To set option defaults so that they apply to all subsequent dimension lines that you draw, deselect all dimension lines, click the Dimension Options button, and then select the dimension options that you want.