Hold Ctrl Activate navigation mode — mouse now controls the camera Ctrl + Left-click drag Orbit — rotate the camera around the insert Ctrl + Right-click drag Pan — shift the camera up / down / left / right Ctrl + Scroll Zoom in / out Ctrl + ←↑→↓ Arrow keys orbit the camera in small steps ↺ Reset View Snap back to the auto-fit view set when dimensions were entered Release Ctrl Exit navigation mode — click-and-drag dividers works again