Check out Cave Rock 03 - Base Low-poly 3D model on CGTrader for $12. High-quality mesh by wernie: 7022 polys, 10533 vertices. PBR, Textured, UV Mapped.
OBJ (OBJ, filesize: 229 KB), 3DS (3D Studio, filesize: 129 KB), DAE (Collada, filesize: 204 KB), BLEND (Blender, filesize: 361 KB), FBX (Autodesk FBX, filesize: 536 KB), TEXTURES (Textures, filesize: 26.4 MB)