The parts are supported like this so he can do the finishing. Since I took this photo, he sealed the parts and put on some stain. You can see the top of the stool in the center back (it is square and has a hole for the handhold).
I can tell you that all the pieces are silky smooth.
When it is done, it will look like this. But better. On the other hand, I can have this one in 9 days for only thirty bucks..... hmmm. It better be better. And soon.