When working with 3D modeling and visualization, being able to export OBJ files from Revit can be incredibly useful. OBJ files are a popular format for 3D models and can be easily imported into various software for advanced rendering and animation. Here's how you can export OBJ files from Revit:

Step 1: Open your Revit project and navigate to the 3D view that you want to export as an OBJ file.

Step 2: Once you are in the 3D view, go to the 'File' menu and select 'Export' > 'CAD Formats'.

Step 3: In the export dialog box, choose 'Wavefront OBJ' as the export format. You can also specify the export range and export only visible elements if needed.

Step 4: Click 'OK' to begin the export process. Revit will create the OBJ file for you.

Step 5: Locate the exported OBJ file on your computer and use it as needed in other 3D software or visualization tools.

It's important to note that while OBJ files have become a standard for 3D modeling, some data may be lost during the export process from Revit. This is because OBJ files do not support Revit's parametric and BIM data. However, for visualization and basic 3D modeling purposes, exporting to OBJ can still be a valuable workflow.

In addition to OBJ, Revit also supports other export formats such as FBX and STL, each with its own strengths and limitations. Understanding the differences between these file formats can help you choose the one that best suits your needs.

In conclusion, being able to export OBJ files from Revit opens up a world of possibilities for 3D modeling and visualization. Whether you're creating advanced renderings, animations, or collaborating with other professionals who use different software, exporting to OBJ can streamline your workflow and expand your capabilities. With this simple guide, you can start leveraging the power of OBJ exports from Revit in your own projects.