Time for action - hands up!
So if the two meshy-looking things represent the models before they've been passed through the FBXImporter, the two blue cube/white page icon files represent the exported models, ready to place in our Scene. Let's do exactly that!
- Click on GameObject | Create Empty. This is the GameObject that will contain the hands and tray models.
- Rename the new Game Object HandsAndTray.
- Click and drag the handsAndTray model, which contains the Tray_mesh and Hands_mesh models, from the Project panel to the new HandsAndTray Game Object that you just created in the Hierarchy panel. You'll see the models appear indented beneath the GameObject, which will gain a gray arrow to indicate that it's now a parent.
- Click on the HandsAndTray ...