Creating an Array of Objects
To create a polar array
- From the Modify menu, choose Array.
- Select the objects to be arrayed and press ENTER.
- Then enter p (Polar).
- Specify a center point for the array.
- Enter the total number of elements you want in the array, including the original object.
- Enter the angle the array is to fill, from 0 to 360.
- Enter y to rotate the objects as they are arrayed, or enter n to keep the objects at a fixed angle.
Modify toolbar: 
Command line equivalent: ARRAY