The difference between the bottom plane and the mirror image of the plane

The actual situation is different, and the front and back directions are the same.

1, the mirror image of the plane means that the plane is symmetrical along the center line. You can use the mirror image of CAD to draw. Plan view is the general name of three standard views of parts: front view, top view and side view.

2. The bottom view takes the image of the object in the mirror as a plan view.