This is not exactly fine woodworking ... but just as important!
Before we get started on the "a wood squat rack is very unsafe and can't hold enough weight" discussion, let me say that I got this plan off the web. It has been done by many before me, and it is capable of holding more weight than I will ever be able to lift.
As you can see, I added a lat pull down to it. This thing is really cool and rock solid.
Ray