Check out indian stone jharokha window Low-poly 3D model on CGTrader for $15. High-quality mesh by prajjwal: 3560 polys, 5423 vertices.
STL (Stereolithography, filesize: 408 KB), OBJ (OBJ, filesize: 705 KB), SKP (Sketchup, filesize: 468 KB), FBX (Autodesk FBX, filesize: 1.42 MB), DAE (Collada, filesize: 1020 KB), 3DS (3D Studio, filesize: 392 KB), DWG (AutoCAD, filesize: 2.98 MB)