Yes i did use AUTOCAD 2004 to do the design........And yes we will probly put a single diagonal brace into the main hoop, and yes it is 1.5 scdl40 galvanized pipe.. I know pipe is for poop but for right now its all we have access to,, we are trying to find a sorce for tubeing, but for some reason we can get anny U.S. syplyers to answer our quote requests...
What is your guys location ?