My theme for this environment was an abandoned mental facility. I learned about the process of building modularly and making materials than easily be tileable to create a seamless effect on the meshes. As well as how to make one mesh reusable to make an environment without having to model multiple meshes. Listed below are the tutorials I used to help me make my materials In substance designer.
https://www.youtube.com/watch?v=sh1Fmzsw9IM (Tiles Floor)
https://www.youtube.com/watch?v=98rn8MGIZjA (Wood Planks)
https://www.youtube.com/watch?v=UHNONJjtLmo&t=499s (Plaster Wall)
https://www.youtube.com/watch?v=N-Mrs1MTxK0 (Castle Floor)
https://www.youtube.com/watch?v=n3D1XasCTec (Concrete)