Could be used for large circle cuts too. Interesting hack overall (you can get these squares at the dollar store these days).
http://www.instructables.com/id/The-1-Marking-Center-and-Shelf-Pin-Layout-Tool/
Could be used for large circle cuts too. Interesting hack overall (you can get these squares at the dollar store these days).
http://www.instructables.com/id/The-1-Marking-Center-and-Shelf-Pin-Layout-Tool/