Check out Fantastic Doors Windows 3D model on CGTrader for $15. High-quality Polygon mesh mesh by cgdm: 117087 polys, 62798 vertices.
STL (Stereolithography, filesize: 13.7 MB), OBJ (OBJ, filesize: 13.7 MB), MAX (Autodesk 3ds Max, filesize: 27.4 MB), 3DS (3D Studio, filesize: 13.7 MB), FBX (Autodesk FBX, filesize: 13.7 MB), C4D (Cinema 4D, filesize: 13.7 MB), LWO (Lightwave, filesize: 13.7 MB), SKP (Sketchup, filesize: 13.7 MB)