Recently I've been building shop made wooden squares. I was inspired to start by the English Layout Square featured in a recent Popular Woodworking magazine article. After some discussion with other woodworkers I was further inspired to drill a hole in the square's apex and hang a string with a plumb bob from it. Making what I have been calling an A-frame square
After I posted two things happened,
1) I had a well deserved question about the use of this tool, I think that I had difficulty communicating some things about it, mostly because I don't think I had a good grasp on the multiple complexities that can come from such an ancient tool.
2) A little bit of my pride reared it's head and I felt compelled to shoot an email of to Chris Schwarz to show off a bit, He wrote back and told me that the actual name of the tool I had made was called a Libella.
In the comments I was gracefully rescued from my own ignorance by this:
After a couple hours I decided to shoot a quick video on some of the things I had figured out that afternoon. So even though I don't go to moving picture too often, here is a quick shot on exploring the Libella.