also
@Bluey it only sits about 6 0r 7 inches off the ground, so if I have a tree or something behind, it can rest on that if need be
I used 90x50x4 angle for the strength
I forgot the "obligatory" side shot - tomorrow. I put the 90mm sides as the inside support / stopper for the upright
and put a piece of rubber in there to stop rattles......
and I used a Hex Head (allen key) bolt for the bottom hinge
only likely problem in the future would be the bar itself twisting, but it is 100x50x3 RHS so it should be okay