Check out Classic Ceiling Medallion 46 3D model on CGTrader for $15. High-quality Subdivision ready mesh by Polygate2: 227644 polys, 210240 vertices.
OBJ (OBJ, filesize: 5.25 MB), BLEND (Blender, filesize: 4.28 MB), 3DS (3D Studio, filesize: 448 Bytes), MA (Autodesk Maya, filesize: 7.53 MB), MEL (Maya Mel Script, filesize: 7.53 MB), MAX (Autodesk 3ds Max, filesize: 19.7 MB), FBX (Autodesk FBX, filesize: 11.8 MB), C4D (Cinema 4D, filesize: 3.45 MB)