.
.Click Sectioning Tools tab > Mode panel > Box
.
On the Transform panel, click Rotate
.
Drag the gizmo to rotate the box as needed.

To save the current sectioned viewpoint, click Sectioning Tools tab > Save panel > Save Viewpoint
.
Click Sectioning Tools tab > Mode panel > Box
.
On the Transform panel, click Scale
.
Pull the scale points on the gizmo to resize the box as needed.

To save the current sectioned viewpoint, click Sectioning Tools tab > Save panel > Save Viewpoint
.