The 3D Orbit is convenient to control the interactive viewing of objects in 3D. But running it may be a bit inconvenient, you need to run command RTROT or select it from toolbar. Is that any short cut key to run it?
The short cut key to run 3D Orbit is Ctrl+Shift+the left mouse click.
As a bonus tips, there are more short cut keys for 3D viewing:
· Ctrl+Left mouse button: Realtime 3D Zooming
· Ctrl+Right mouse button: Realtime 3D Paning
· Ctrl+Shift+Right mouse button: 3D orbit around Z-axis