Hi,i am dedy.e from indonesia,i am engineer and product design,i am interested with your project,i can help you for make drawing,i am not just design product but i experience in manufacture,cnc milling,cnc lathe,cnc rotuer,cnc lasercutting,3d printing,sheet metal,CAM(ONECNC,MASTERCAM),CAD(solidwork,autocad,rhinoceros),i can provide format file STEP,IGES,DXF,DWG,PDF,etc,i am work in manufacture 13 years,and one more i not engineer outsource so we can comunication with fast cos i work myself,i hope we can work togheter,best regard Dedy.e