Check out Air Balloon 3D Illustration 3D model on CGTrader for $4. High-quality mesh by slabdsgn.
STL (Stereolithography, filesize: 880 KB), OBJ (OBJ, filesize: 1.19 MB), 3DS (3D Studio, filesize: 125 KB), GLTF (glTF, filesize: 1.28 MB), ABC (Alembic, filesize: 285 KB), DAE (Collada, filesize: 622 KB), FBX (Autodesk FBX, filesize: 764 KB), BLEND (Blender, filesize: 1.39 MB)