Get a STEP, STL, Catia or IGS file from a OBJ file

Job ID: 32701277

Budget: €30 – €250 EUR

I need to get STEP, STL, Catia or IGS file. I got the design in OBJ and a Render. Also the design that is a bottle on the OBJ is a compact I need to make it empty and add a bottle thread. thanks