Moving around in a 3D view in Revit is essential for effectively understanding and navigating through your 3D models. To move a 3D view, you can use the following methods:

1. Orbit: To orbit around your model, select the ViewCube in the top right corner of the view and drag the cube to rotate your view in any direction.

2. Pan: You can pan the view by holding down the middle mouse button and dragging the view to the desired location.

3. Zoom: Use the mouse scroll wheel to zoom in and out of your 3D model to get a better view of specific areas.

4. Navigation Wheel: The navigation wheel allows you to easily navigate through your 3D view by providing options for orbiting, panning, and zooming in a single interface.

By utilizing these methods, you can effectively move around in a 3D view in Revit and gain a better understanding of your 3D models for improved design and visualization.