Autodesk AUTOCAD 2010 - PREVIEW GUIDE Guida Utente Pagina 235

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Lesson: Creating Object Patterns 221
Practice Exercise: Creating an Array of Objects
In this practice exercise, you draw a 1 x 1 rectangle
and create an array using the Polar and Rectangular
array options.
1.
Begin by drawing the rectangle:
Start the Rectangle command.
Click the first corner in the drawing
window.
For the other corner enter D (for
Dimensions). Press ENTER.
Enter a length of 1 and a width of 1.
Click to position the rectangle.
2.
To create a polar array:
On the Home tab, click Modify panel >
Array.
In the Array dialog box, click Polar Array (1).
Click the Select objects button (2) and
select the rectangle. Press ENTER to return
to the dialog box.
Click the Center point button (3) and, using
object snap tracking, track a center point
that is two units down from the midpoint
of the rectangle as shown.
For Total number of items (4), enter 6.
For Angle to fill (5), enter 360.
Click OK (6).
Zoom to display your polar array, which
should resemble the following illustration.
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