Greeting,
Hi there?i am engineer and product design,i am have 13 years make design and manufacture,i am very interested with your project,i am can help you for make 3d modelling your rod like your attc,please share detail dimension this part ,i can start work right now and send best result,i am can send format file you needs as STEP,IGES,STL,OBJ and etc,file ready to 3d printing and injection molding,hope we can work togheter and very happy if can help you,thanks Dedy.e