Top_MezzoDiam
Half Diameter Dimension
Menu: Top > Dimensions > Half Diameter
- What
- Select on the screen the axis (e.g. centre line of a hole) and a reference point (e.g. end of a hole), insert a dimension with a hidden second extension line with the dimension’s value doubled and the symbol f in front.
- Why
- To replace a normal linear dimension, mainly when the available space to dimension is little.
- How
- Select a straight entity (axis) and a point to define the dimension’s value. Then place the dimension.
Example 79. Half Diameter Dimension
Command: Top_MezzoDiam Select the axis:
Dimension’s origin point: 20.50 <ENTER> Position of the
dimension text: 20.100 <ENTER> Dimension’s origin point:
<ENTER>