Check out Altar Set fire pit with flames Low-poly 3D model on CGTrader for $21. High-quality mesh by GizemDilaraTek: 156 polys, 80 vertices. PBR, Textured, UV Mapped.
OBJ (OBJ, filesize: 42.9 MB), BLEND (Blender, filesize: 42.9 MB), FBX (Autodesk FBX, filesize: 42.9 MB)