Are you a web developer or designer looking to inspect and debug web pages in a visually engaging way? Look no further than the 3D view feature in Firefox. Here's how you can access it:

1. Open Firefox: Launch the Firefox browser on your computer.

2. Navigate to a web page: Enter the URL of the web page you want to inspect in the address bar and press Enter.

3. Open Developer Tools: Right-click on any element of the web page and select 'Inspect Element' from the context menu. This will open the Developer Tools panel.

4. Access 3D view: In the Developer Tools panel, click on the '3D' button located at the top right corner. This will switch the view from the default 2D mode to the visually immersive 3D mode.

Once you're in the 3D view, you can manipulate and rotate the web page in three dimensions, allowing you to inspect the structure and layout of the page from different angles. This can be particularly useful for identifying layout issues, understanding the stacking order of elements, and visualizing the depth of the page's content.

Additionally, you can use the 3D view to debug CSS and HTML elements more efficiently. By selecting and inspecting elements in 3D space, you can quickly identify the source of layout and style problems and make necessary adjustments.

In conclusion, the 3D view feature in Firefox provides a powerful tool for web developers and designers to visually inspect and debug web pages. By following the simple steps outlined above, you can access this feature and leverage its capabilities for more effective web development and design work.