If you work with 3D models, you may encounter the need to convert FBX models to OBJ format. FBX and OBJ are both popular file formats for 3D models, but there are situations where you may need to convert between the two for compatibility or other reasons. Here are the steps to convert FBX models to OBJ:

1. Use 3D modeling software: To convert FBX to OBJ, you will need 3D modeling software that supports both formats. Examples of such software include Autodesk Maya, Blender, and 3ds Max. These software packages offer tools for importing FBX models and exporting them as OBJ files.

2. Open the FBX model: Once you have the 3D modeling software installed, open the FBX model that you want to convert to OBJ. This can usually be done by clicking on the 'File' menu and selecting 'Open', then navigating to the location of the FBX file on your computer.

3. Export as OBJ: After opening the FBX model, look for the 'Export' or 'Save As' option in the software. Choose OBJ as the desired file format for export. You may have the option to set OBJ export preferences such as texture options and vertex color format. Adjust these settings according to your needs.

4. Save the OBJ file: Once you have set the export options, choose a location on your computer to save the OBJ file. Give the file a descriptive name and click 'Save' to export the FBX model as an OBJ file.

5. Verify the conversion: After the export process is complete, navigate to the location where you saved the OBJ file and open it in the 3D modeling software. Verify that the conversion was successful and that the OBJ file retains the quality and details of the original FBX model.

Converting FBX models to OBJ format is a straightforward process when using the right 3D modeling software. Keep in mind that some details such as textures and materials may need to be adjusted after the conversion, so it's important to review the OBJ file in the modeling software and make any necessary adjustments.

In conclusion, knowing how to convert FBX models to OBJ format can be a valuable skill for 3D designers and artists. Whether it's for compatibility with different software or for specific project requirements, being able to perform this conversion opens up more possibilities for working with 3D models. With the right software and these simple steps, you can easily convert your FBX models to OBJ and continue creating amazing 3D designs.