How to design Skybox design??

Questions & Answers
1

After long try, i got a final design(sides) that how to set sky box…
i have attached it as answer.

2

There are basic steps for skybox material creation.

  • Open unity Editor
  • Right Click In the Project Hierarchy
    and create new Material
  • Click On material and Change shader
    from standard to skybox 6 sided and
    pass your texture.
  • Go to lighting window and pass new
    skybox material