Special ruler [PRO/EX]
Allows you to configure the position and angle of the ruler in addition to snap to the ruler when a special ruler or symmetrical ruler is selected with the [Object] sub tool.
(1) Snap
When turned on, drawing snaps to a ruler.
(2) Center X
Allows you to configure the offset of the center of the special ruler from the canvas left edge. This setting is available when the ruler is [Radial line ruler], [Radial curve ruler], [Concentric circle ruler] or [Guide (Vertical)].
(3) Center Y
Allows you to configure the offset of the center of the special ruler from the canvas top edge. This setting is available when the ruler is [Radial line ruler], [Radial curve ruler], [Concentric circle ruler] or [Guide (Horizontal)].
(4) Angle
When [Parallel line ruler], [Concentric circle ruler], or [Symmetrical ruler] is selected, you can set the angle of the ruler.
When [Multiple curve ruler] is selected, you can set the direction of drawing lines with the same shape as the ruler.