# Vertical to CPlane

[Vertical to CPlane] command generates a line that is perpendiculat to the CPlane of the active view.

## Step 1

For the prompt Specify the start point, specify the start point of the line.

- Pressing `B` key will change the point of Step1 to be a middle point of the line.

## Step 2

For the prompt Specify the end point, specify the end point of the line. The point is limitted to a point on the normal line to CPlane. Normal points to to the CPlane need to be seen in other views than the 1st point view's one.

After the end point is specified, the line is appended onto the document.