Allows you to configure the number of the lines of a symmetrical ruler and how to make it symmetric when using the [Symmetrical ruler] sub tool.
(1) Number of lines
Configures the number of lines which can be drawn concurrently when drawing by snapping to the symmetrical ruler.
(2) Line symmetry
When turned on, the line symmetry ruler is created. When turned off, the rotation symmetry ruler is created.
(3) Step of angle
Allows you to configure the angle by which the object will rotate each time.
(4) Create at editing layer
When turned on, the ruler is created on the layer being edited. When turned off, a new layer for rulers is created.