A similar trick is the 3:4:5 rule[1] which I have not used for woodworking but that's where I first heard of it. I have used it for general site planning for te

A similar trick is the 3:4:5 rule[1] which I have not used for woodworking but that's where I first heard of it. I have used it for general site planning for tents and ensuring fire breaks and similar, though. [1]: https://www.ezwoodshop.com/345-triangle.html https://www.ezwoodshop.com/345-triangle.html