The Preferences window allows you to set various options about the RS Draw interface. You can access it by choosing Edit > Preferences.
The window contains the following settings:
Hot Spots
Point allows you to choose the color of the point handles that appears when a line, free-form line or polygon is selected. These handles represent the end points of the line segments that are used to draw the object, and can be moved independently of each other to reconfigure the object.
Object allows you to choose the color of the object handles that appear when an object is selected. They are used to move or resize the entire object.
View
Instructions if selected, turns on the help text that is displayed in the status bar at the bottom of the RS Draw interface when you click an option on the Draw Toolbar.
Grid Spacing sets the grid's width. The grid spacing is a percentage of the grid's width. For example, if you want the canvas to show 20 points, the grid spacing must be set to 0.05.