If you have 3D models stored as OBJ files and want to view them on your iPad, there are several easy ways to do so. One popular method is to use a dedicated 3D model viewer app that supports OBJ files. Here's a simple guide to help you get started:

1. Search for a 3D model viewer app in the App Store. There are several apps available that allow you to open and view 3D models, including those in OBJ format. Some popular options include 'OBJ Viewer' and '3D Viewer - AR Viewer.'

2. Download and install the app of your choice. Once the app is installed on your iPad, open it and navigate to the option for opening files.

3. Locate your OBJ file. If the file is stored on your iPad, you can easily locate it within the app's file navigation system. If the file is stored in the cloud or on a different device, you may need to transfer it to your iPad first.

4. Open the OBJ file. Once you have located the OBJ file, simply tap on it to open it within the 3D model viewer app. The app will then display the 3D model, allowing you to rotate, zoom, and interact with it using touch gestures.

5. Explore the model. With the OBJ file open in the 3D model viewer app, you can explore the 3D model from different angles and perspectives. Some apps may also offer additional features such as annotation tools or measurements.

By using a dedicated 3D model viewer app on your iPad, you can easily view and interact with OBJ files without the need for additional software or conversion processes. This makes it convenient to showcase 3D models, whether for professional purposes or personal enjoyment.

In conclusion, viewing OBJ files on your iPad is a simple process when you have the right tools. With a 3D model viewer app and your OBJ file at hand, you can easily explore and showcase 3D models with ease. Whether you're a designer, architect, or simply a 3D enthusiast, the ability to view OBJ files on your iPad opens up a world of possibilities for creativity and visualization.