The External Diametrical mode measures and dimensions the diameter of a circle or arc, and places the dimension outside the object.
To dimension the diameter of a circle or arc and place the dimension outside the object:
1. Click the Radial Dimension tool from the appropriate tools set/palette, and select External Diametrical mode.
● All workspaces: Dims/Notes tool set
● Spotlight workspace: Basic tool palette
2. Specify the side of the dimension line to place the measurement.
To place it to the right of the line, click Right-Hand Shoulder mode button. To place it to the left of the line, click the Left-Hand Shoulder mode button.
3. Click on or within the arc or circle to dimension.
4. Move the cursor to preview the dimension line location.
5. Click to place the dimension.
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