Allen, I am dissaponted that you ended this so quickly. Your question may have topped Kens design question on the weight of a bale of hay, it was a hot topic. I would like to add to my reply, when you layout and cut from the two square 90 degre surfaces, you can with a frameing square and a combination square wrap around to check the other surfaces.You can also place a pair of winding sticks on the timber at the start of your layout, and check for any twist in the timber Good luck with your project, John.