Casina Vanvitelliana Low-poly 3D model is available on CGTrader for $18. Original author: Tridity-studio. Specs: 452 polys, 526 verts.
OBJ (OBJ, filesize: 60.2 KB), MAX (Autodesk 3ds Max, filesize: 3.05 MB), PNG (PNG, filesize: 895 MB), DXF (DXF, filesize: 481 KB), FBX (Autodesk FBX, filesize: 41.5 KB), DWG (AutoCAD, filesize: 63.1 KB), 3DS (3D Studio, filesize: 50 KB)