Check out UFO Spaceship Low-poly 3D model purchase 3D model on CGTrader for $10. High-quality mesh by mohrenschildt: 1212 polys, 608 vertices. PBR, Textured, UV Mapped.
STL (Stereolithography, filesize: 59.3 KB), OBJ (OBJ, filesize: 81.8 KB), 3DS (3D Studio, filesize: 29.5 KB), MAX (Autodesk 3ds Max, filesize: 836 KB), FBX (Autodesk FBX, filesize: 64.8 KB), GLTF (glTF, filesize: 10.7 MB)