Check out Classic Ceiling Medallion 23 3D model on CGTrader for $15. High-quality Subdivision ready mesh by Polygate: 23360 polys, 24635 vertices.
OBJ (OBJ, filesize: 612 KB), FBX (Autodesk FBX, filesize: 1.06 MB), MA (Autodesk Maya, filesize: 695 KB), MEL (Maya Mel Script, filesize: 695 KB), C4D (Cinema 4D, filesize: 490 KB), BLEND (Blender, filesize: 453 KB), MAX (Autodesk 3ds Max, filesize: 2.02 MB), 3DS (3D Studio, filesize: 296 KB)