White Window 18 3D model is available on CGTrader for $20. Original author: cgaxis. Specs: 32742 polys, 33112 verts.
OBJ (OBJ, filesize: 1.55 MB), MAX (Autodesk 3ds Max, filesize: 6.5 MB), FBX (Autodesk FBX, filesize: 1.59 MB), C4D (Cinema 4D, filesize: 1.87 MB)