Draft Ortho

Description
This method snaps to a point on an imaginary line that originates from the previous point, and extends infinitely at specific increments of 45°; this includes 0°, 90°, 135°, 180°, 225°, 270°, and other integer multiples.



Usage

 * 1) Make sure  and  are turned on.
 * 2) Choose a Draft tool to draw a shape.
 * 3) Move the cursor approximately in the direction of a line that makes an angle of 45° with the horizontal.
 * 4) The snap symbol will appear when the tentative line makes an angle of 45°, or a multiple of it.
 * 5) Click to attach your new point.

the snapping only works on the current working plane.