Using this tool, you can create a single curved axis in the X/Y plane of the active UCS. This axis can be shortened or extended with the existing grid tools.
To access the command
On the Objects tab 
Grid panel, click
(Curved grid with single axis).
Command line: _AstM4CommGridSingleCircleAxis
To create a single curved axis
- Select a suitable coordinate system.
- On the Objects tab Grid panel, click
(Curved grid with single axis).
- Specify the axis start point.
- Specify the axis end point.
- Specify a point on the arc.
- The curved axis is created. The properties dialog box appears.
