Layout Outside Corner Angles

So this is a 12-square pitch. So you can lay it up on any slope. It shows you it's a 45-degree angle which is a 12-square pitch. You can also do outside corner angles. You can determine any outside angle. So you can lay it up to your outside corner of a wall to wrap trim around it and it'll give you your exact angle. You can also draw circles. So you can put this little index pin right here and swivel it around and mark circles right on your piece of wood.