Option

Description

Colour button

Click to open the Colour Selection to select a pen for the witness lines.

Line Weight

Select a line weight from the dropdown list.

Show First

Select this checkbox to display the first (left side) witness line.

Show Second

Select this checkbox to display the second (right side) witness line.

Gap

Enter the spacing, in drawing units, between the dimension point and the start of the witness line.

Extension

Enter the distance, in drawing units, that the witness line extends past (or above) the dimension line.

Fixed length

Enter the distance, in drawing units, that the witness line extends below the dimension line, if the Fixed length on option is checked.

Use fixed length

Select this checkbox to enable use of the Fixed length entry and to ignore the Gap value.