Section view of the doors is given in this Autocad drawing file. Board support bracket is specified in this drawing. 4”x4” hinges are provided. Metal lid fixed with screw at the open end of the frame, hanging system with 4 nylon pulleys, welded to the frame at the top and other details are given in this Autocad drawing file. For more details download the 2D Autocad DWG drawing file. Thank you for downloading Autocad drawing files and other CAD program files from our website.