To Create a Global Dimension
1. Click > . The Select Reference dialog box opens.
2. Select a type of reference for dimension placement:
◦ ![](../../assembly/asm/images/skt_tb_select.png)
—Select a reference to dimension.
◦ ![](../../assembly/asm/images/skamp_tang.png)
—Select the tangent to an arc or circle to dimension.
◦ ![](../../assembly/asm/images/skamp_midpnt.png)
—Select the midpoint of an edge or entity to dimension.
◦ ![](../../assembly/asm/images/dwg_trim_intersect.png)
—Select an intersection defined by 2 objects.
◦ ![](../../assembly/asm/images/sketcher_line_single.png)
—Select 2 points. Click the arrow to create a horizontal dimension
![](../../assembly/asm/images/dim_hor_line_point.png)
or a vertical dimension
![](../../assembly/asm/images/dim_vert_line_point.png)
between 2 points.
3. Enter a symbolic name for the global dimension.
4. Enter a numeric value for the dimension. The dimension is displayed with its symbolic name.
5. Middle-click to complete the dimension.