Search:

That is cool. A lot of work but cool. thanks.

Check you tube i'm sure the video is still there. He did not have a secondary attachment point. Iirc he used a threaded rod to attach it. Looked stable enough.
Check out the Harbor Freight lathe it...

I have watched a you tube video of someone using a drill press as a vertical lathe. He made a brush handle that turned out pretty good. Harbor freight has a cheap lathe. I wanted one to turn brush...