The model is specular, it is compose of a roof, 2 doors, 2 windows and 4 panels.
All the model is made with blender, and in the pack you can find the blender file where there are the procedural material.
STL (Stereolithography, filesize: 88.9 MB), OBJ (OBJ, filesize: 132 MB), BLEND (Blender, filesize: 1.22 GB), FBX (Autodesk FBX, filesize: 30.8 MB)