Check out Red Rock Sandstone Pbr 3 Low-poly 3D model on CGTrader for $20. High-quality mesh by gamesdzen: 1011 polys, 542 vertices. PBR, Textured, UV Mapped.
OBJ (OBJ, filesize: 79.6 KB), TEXTURES (Textures, filesize: 53.4 MB), FBX (Autodesk FBX, filesize: 58.4 KB), MAX (Autodesk 3ds Max, filesize: 364 KB)