"The build worked out great.  I was able to create a trellis for our new raised garden that easily attaches to the bed and can be removed when not being used.  The parts from Maker Pipe worked perfectly. The parts you all offer fit the build perfectly. I greatly appreciate how quick you all filled the order." - John

Update:

"The trellis worked great last season. I used standard metal hanger along with a thick washer to attach the hangers to the bed.  The washer provided enough spacing for the pipe and attached to the bed securely. The hanger & washer required the use of a slightly longer pan head bolt then the originally supplied bolts.  

Attached is a closeup to help illustrate. I think a curved spacer would provide a better footprint against the garden bed. If you look closely, the washer doesn't fit completely flush against the garden bed. However, it has worked worked great and supported a large crop of tomatoes and loofah plants."