To Align Objects Between Viewports Using a Construction Line

1. Click Home tab Draw panel Construction Line.
2. Specify a point in the first viewport. Specify a second point to determine a line for the alignment.

   Choose a point that can be aligned with objects in the second viewport. Use object snaps for precision.

3. Click Home tab Modify panel Move.
4. Select the viewport to align to the first viewport. Press Enter.
5. When prompted for a base point, specify a point in the second viewport. Choose a point that corresponds with the point selected in the first viewport.
6. When prompted for the second point, hold down Shift and right-click. Click Object SnapPerpendicular.
7. Click the construction line you created.

   The first and second viewports, and the objects in the viewports, are aligned.

   Note:

   When aligning objects in viewports, the scale of the viewports should be the same.