Hi there , I would to design this 2 pc of connector ( 1 pcs at round tube 22 mm) and (another one attached to the board) , please get more idea at this youtube video link ( http://www.youtube.com/watch?feature=player_detailpage&v=5-UOH_MyCKA… (Budget: ?1500-?3000 INR, Jobs: Industrial Design, Manufacturing Design, Mechanical Engineering, Solidworks)