When working on architectural designs in Revit, it's important to be able to effectively visualize and present your projects in 3D. Here are some tips for viewing in 3D in Revit:

1. Use the ViewCube: The ViewCube in Revit provides a quick and intuitive way to orient your 3D view. Simply click and drag the ViewCube to rotate and tilt your view in 3D space.

2. Adjust the view settings: In the properties palette, you can adjust the view settings to control the visual display of your 3D view. This includes settings for shading, shadows, and visibility of elements.

3. Create section boxes: Section boxes can be used to focus on specific areas of your model in 3D. By creating a section box, you can isolate and visualize certain portions of your design more effectively.

4. Utilize the walk-through feature: Revit offers a walk-through feature that allows you to move through your model as if you are physically walking through the space. This can be a powerful tool for presenting your design to clients or stakeholders.

5. Use the camera tool: The camera tool in Revit allows you to create custom 3D views from specific vantage points. This can be useful for creating compelling visualizations for presentations or marketing materials.

6. Work with design options: In Revit, you can create different design options for your project. By switching between design options, you can quickly compare and visualize alternative design scenarios in 3D.

By utilizing these techniques, you can enhance the visualization and presentation of your architectural designs in Revit. Viewing your projects in 3D can provide stakeholders with a more immersive and comprehensive understanding of the design, leading to better decision-making and improved communication throughout the project lifecycle.