Check out Commercial Building Concept 3D model on CGTrader for $20. High-quality mesh by bu1sa.
STL (Stereolithography, filesize: 1.27 MB), OBJ (OBJ, filesize: 4.42 MB), FBX (Autodesk FBX, filesize: 2.25 MB), SKP (Sketchup, filesize: 2.31 MB), PDF (PDF, filesize: 768 KB)