I made a series of art assets for creating procedural buildings, based off of Oskar Stålberg's Brick Block demo. I started with a script written by another person, which generated the base meshes. I then added details to them, which proved to be a lengthy process, as the algorithm that puts the houses together (created by another programmer on my team) works in a slightly unintuitive way. Once I got an understanding of exactly what details should be where, I created a tileset and set everything up un Unreal Engine.
Like most of my projects, this involved working with several others, I had another artist create the textures, a programmer set up the construction script in engine, and my teacher guided us through the process and provided a script to create the initial objects.