The Continuous Sketch function is used to create a continuous chain of lines or arcs. To perform the function, you click in the graphics area to define the start and end of each arc or line segment. When you click two points a line is created: if you then move the pointer the line is bent to create an arc, if you click again (third click) before moving the pointer, the segment is then set as a line. You can use the snap points of wireframe entities to place the sketch at these locations.