1. Open a drawing with 3D objects and display in 3D view.
2. Choose Modify,3D Operations, 3D Array.
(or)
3. Type 3DARRAY at the command prompt
Command: 3darray
Enter the number of rows(---)<1>: 3
Enter the numbers of columns(|||)<1>: 4
Enter the number of levels(...)<1>: 2
Specify the distance between the rows(---): 5
Specify the distance between columns(|||): 4
Specify distance between the levels (...): 8
