2d cad drawing of beam detail cad file includes chain fastening to the roof structure, structure manufactured with 2 "x 2" x 1/8 "PTR See HERR31 blacksmith plan, wood clamping stud to PTR structure, 1 1/2 "x 8" pine frame with an interior cut for glass support,1/2 x 2 "pinewood, locum plated and inked, download in free cad file.
