If you're a Houdini user looking to export your 3D models to use in other software, exporting OBJs is a common and widely supported file format for 3D modeling. Here's a step-by-step guide on how to export OBJs from Houdini:

1. Select the Geometry: In the Houdini viewport, select the geometry or object that you want to export as an OBJ. Make sure the object is properly positioned and oriented in your scene.

2. Navigate to the File Menu: Go to the File menu at the top of the Houdini interface and select 'Export' > 'Export OBJ...'.

3. Set Export Options: A window will pop up with export options for the OBJ file. You can specify the file name, location, and other options such as including normals and texture coordinates.

4. Export the OBJ: Once you have set the export options, click 'Export' to generate the OBJ file.

5. Check the OBJ File: Navigate to the location where you saved the OBJ file and open it in your preferred 3D modeling or rendering software to ensure that the export was successful.

Tips for Exporting OBJs from Houdini:

- Verify that the geometry is properly set up with correct normals and UV coordinates before exporting.

- Check the scale of the exported OBJ to ensure it matches the scale of your scene in the target software.

- If you plan to use the OBJ in a different software, consider the compatibility of materials, shaders, and textures.

By following these simple steps and tips, you can easily export your 3D models as OBJ files from Houdini for use in various other 3D software applications. Whether you're transferring assets between different software packages or collaborating with other artists, mastering the OBJ export process in Houdini is a valuable skill for any 3D modeler or animator.