Pokeball created by me using only blender, native file has no modifiers applied so the mesh is very light to export as you wish
STL (Stereolithography, filesize: 55.3 MB), OBJ (OBJ, filesize: 83.1 MB), FBX (Autodesk FBX, filesize: 27.4 MB), BLEND (Blender, filesize: 2.26 MB)