Hi, I also made a 'scrap bin' chair a while ago and it's been serving me well. The seat is made out of 2x1, 12x1 and some 1x1s glued together and it just slides off the bottom for storage. The strut brace is attached to the leg with just a screw and it's fastened with a bolt lock on the other side.
My design is for people with nerves of steel. Every time I sit on it, it makes a loud "crrreeeeek!" sound
