There are two ways to limit the 3D view vertically:
1. Go to: View > Elements in 3D view > Filter Elements in 3d. This allows you to chose which stories to view in 3D.
2. Go to: View > Elements in 3D view > 3d Cutting Planes. This allows you to cut through the model at any elevation (and angle etc.)
These methods can also be combine to, for example, show a cutaway view of a single story.