In this tutorial, we will show you how to integrate a 3D spaceship into your footage using Adobe After Effects and Cinema 4D. Follow these steps to achieve a seamless 3D integration.

**Step 1: Record Your Clean Plate**

1. Set up your camera on a tripod and record your clean plate. Ensure that the scene is stable and there is no movement.
2. Note the lighting direction and intensity in your scene. This will help in matching the lighting for your 3D model.
3. Document any changes you make to the scene, such as camera position or settings.

**Step 2: Use Cinema 4D Motion Tracker**

1. Open Cinema 4D and import your clean plate footage.
2. Use the Cinema 4D motion tracker to automatically track your shot. Go to **Motion Tracker** and select **Automatic Tracking**.
3. Let Cinema 4D analyze the footage and create tracking points.

**Step 3: Import and Optimize Your 3D Model**

1. Import your 3D spaceship model into Cinema 4D. You can use your own model or download one from a 3D model library.
2. Position the 3D model in the scene according to the tracking points created by Cinema 4D.
3. Optimize the textures and materials of your 3D model to match the lighting and environment of your footage.

**Step 4: Choose a Render Engine**

1. You can choose to render your scene in Cinema 4D or use a different render engine like Redshift or Octane.
2. Adjust the render settings to achieve the best quality for your 3D integration.
3. Render the scene and export the sequence.

**Step 5: Integrate the Rendered Scene in After Effects**

1. Import the rendered sequence and your clean plate footage into Adobe After Effects.
2. Drag both the clean plate and the rendered sequence into a new composition.
3. Position the rendered spaceship layer on top of the clean plate layer.

**Step 6: Match Colors and Lighting**

1. Use the **Curves** and **Color Correction** effects in After Effects to match the colors and lighting of the spaceship to the clean plate.
2. Add shadows and highlights to enhance the realism of the integration. You can use the **Drop Shadow** effect or create custom shadow layers.

**Step 7: Add Additional Effects**

1. Add motion blur to the spaceship to match the movement in the footage. Go to **Effect** > **Time** > **CC Force Motion Blur**.
2. Include any additional effects like lens flares, glows, or atmospheric effects to blend the spaceship seamlessly into the scene.

**Step 8: Final Adjustments and Rendering**

1. Review your composition and make any final adjustments to the effects and overall look.
2. Once satisfied, render and export your composition by going to **Composition** > **Add to Render Queue**. Choose the appropriate settings for your final output.

By following these steps, you can create a realistic 3D spaceship integration in your footage using Adobe After Effects and Cinema 4D. For a detailed, step-by-step guide, watch the full video tutorial.