Reference Leader Lines

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The sketch supports referencing external points as references. Horizontal or vertical constraint leader lines are displayed between the mouse cursor and the external point.

Usage Method：

1. Enter 2D sketch.

2. Start a drawing command, such as "Line".

3. Point the mouse cursor at the external point to be referenced and pause briefly.

4. Move the mouse cursor vertically or horizontally to display a dashed constraint leader line.

5. Click the left mouse button to specify a point in the vertical or horizontal direction of the external point.

6. Continue to specify other points to complete the drawing.