Check out Cave Entrance Desert rock 04 Low-poly 3D model on CGTrader for $9. High-quality mesh by Ertan-Zorlu: 2254 polys, 1127 vertices. PBR, Textured, UV Mapped.
STL (Stereolithography, filesize: 8.51 MB), OBJ (OBJ, filesize: 8.51 MB), DAE (Collada, filesize: 8.54 MB), FBX (Autodesk FBX, filesize: 8.53 MB), MAX (Autodesk 3ds Max, filesize: 8.82 MB), ABC (Alembic, filesize: 8.53 MB), BLEND (Blender, filesize: 8.64 MB), MA (Autodesk Maya, filesize: 8.53 MB)