1 Open the Object flyout and click the Spiral tool.
2 Type a number in the Spiral Revolutions box on the Property Bar to indicate the number of revolutions you want for the spiral.
3 Click the Logarithmic Spiral button on the Property Bar.
4 Move the Spiral Expansion Factor slider adjust the amount by which the spiral expands as it moves outward.
Move the slider to the right to increase this amount; move it to the left to decrease this amount.
5 Position the cursor where you want the spiral to appear.
6 Drag diagonally to draw the spiral.
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