Manhole cover_Breakdown&Tips

Hi guys, here is a example that i made for some tips on substance, the reference photo is from Google.
I made the normal map and AO on substance designer, it can be helpful to create some basic shape and height map, then i finished base color and roughness on substance painter, it will be quicker and easier for your understanding,
In the last image, you will see the breakdown and some tips during this project creation, it shows that how to add more detail and how to bring more rhythm to your assets. Hope it can be useful for you and can make your production better. :)
Thanks