You can round the corners of a rectangle or square as you draw it by setting the curvature of the corners in the Rectangle tool Options panel.
Set this value before drawing the rectangle.
To draw a rectangle with rounded corners:
1 | Double-click the Rectangle tool to open the Rectangle tool Options panel. |
2 | Enter a value in the Corner text box. |
3 | Hold down the mouse button and drag to draw a rectangle. |
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Note: You cannot round the corners of an existing rectangle.