This video illustrates the process I have used to fabricate some of the parts, ("Basic Shapes" called out on the drawings.), using my home-built sheet metal bending brake. For a more detailed description, of what I am doing, please head to my website where there is an accompanying article posted. http://sonex1504.com/2012/04/28/fabricating-cross-tie-stock-using-my-sheet-metal-bending-brake/