Creating Half-Dimensions

Half-dimensions are useful in the case of revolved features or elements using a plane symmetry, as they let you create the dimensions only on half the geometry. You can create half-dimensions on distance, angle, diameter cylinders, radius cylinders made out of two selections, diameter edges and diameter tangents. You cannot create half-dimensions on cumulated dimensions.

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More About Creating Half-Dimensions

  1. Click Dimensions in the Annotations toolbar (Dimensions sub-toolbar).

  2. Click a first element in the view. For example, an edge.

  3. If needed, click a second element in the view. For example, another edge.



  4. Right-click the dimension and select Half Dimension.

    The half-dimension appears. Only one extension line is displayed. The dimension line is shortened with specific overrun, gap and length. The value is not centered on the dimension line. The attributes mentioned in Dimension Parameters drive the dimension graphic display.