To understand why metals are lit the way they are, you should understand commercial photography. Photographers spend a lot of time and effort on crafting precise reflections on metallic and mirrored surfaces. For example: https://theslantedlens.com/2023/how-to-photograph-shiny-metal-lighting-tutorial/
Thank you for your interest. I have to draw textures in photoshop for my job. It is just very difficult. Especially I don't know where to make it darker and lighter and why the highlights are the way they are. I can understand if it is a circle or a cube. All the explanations I've seen are for circles and squares. I know…