App bar is a UI component that is used together with the bounding box script. It adds button controls to an object with the intent to manipulate it. Using the 'Adjust' button, the bounding box interface for an object can be de- / activated. The "Remove" button should remove the object from the scene.
How to use app bar
Drag and drop AppBar.prefab into the scene hierarchy. In the inspector panel of the component, assign any object with a bounding box as the Target Bounding Box to add the app bar to it.
Important: The bounding box activation option for the target object should be 'Activate Manually'.