So you've got a 3D model in OBJ format that you want to bring into Autodesk Inventor 2013? No problem. Here's a quick guide on how to do it:

Step 1: Launch Autodesk Inventor 2013 and open a new or existing project.

Step 2: Go to the 'File' menu and select 'Import'. Choose the 'OBJ' file format from the drop-down menu.

Step 3: Navigate to the location of your OBJ file and select it. Click 'Open' to import the OBJ file into your project.

Step 4: Once the OBJ file is imported, you can make any necessary adjustments, such as scaling or positioning the model, using the tools available in Inventor 2013.

Step 5: Save your project to preserve the imported OBJ file within your Inventor 2013 project.

And that's it! You've successfully brought an OBJ file into Autodesk Inventor 2013. Now you can incorporate it into your designs and assemblies, and take advantage of all the powerful tools and features that Inventor 2013 has to offer.

Remember, the ability to import OBJ files into Inventor 2013 opens up a world of possibilities for working with 3D models from a variety of sources. Whether you're collaborating with other designers, incorporating 3D scans into your projects, or working with 3D models from online repositories, knowing how to import OBJ files into Inventor 2013 can be a game-changer for your workflow.

So go ahead and give it a try. Import an OBJ file into Autodesk Inventor 2013 and see how it expands your design capabilities. Happy designing!