To play 360-degree videos on the surface of a 3D object, perform the aforementioned steps, but do not set the Skybox to video_m. Instead, set the material of the Mesh Renderer component of your 3D object to video_m:
Figure 15.54 – Setting the material for a Flipped Normal Sphere
This works for 3D objects with inverted normals, for example, a hollow 3D Sphere that you can look at from the inside. If you wish to try working with a hollow 3D Sphere with flipped normals, you can import the one we have prepared in the Unity package in the 15_03 folder on GitHub.