First work of 2012. 1 of only 3 wall mounted works I have ever made. I had the idea for the center structure of this a while back, the rest of it didn't show up inside my head until a few weeks ago.
It is assembled with a similar structure as SH633. each section is joined by a turn buckle style fastener, here you can see it is a piece of aluminum square stock with a right hand and a left hand thread machined on each end. The Bronze wheel with the square hole drives it and I tightened it all down with this hastily fashioned spanner wrench.