The Bezier Curve Tool is used to model smooth curves that can be scaled indefinitely and aren't confined to the limitations of the Arc tool, allowing for more natural and intricate shapes.
To draw a Bezier curve:
Choose Draw > Bezier Curves
Click to set a start point
Click again to set the end point of the line
Move the cursor to adjust the first curve
Click to apply the first curve
Move the cursor to create the second curve
Click to set the second curve