The 3DView in the go-to window for examining the geometry in ODEON. But it contains more than the obvious options, as is shown in this video.
0:00 Intro
0:48 Viewing and changing the preview
1:31 Rotating, moving, zooming
2:37 Using and adding default views
3:36 Projection, rulers, dimension units
4:19 Highlighting surfaces
4:45 Copying graphics from the 3D View
5:23 Outro