2x4 Outdoor Barstools

I just moved back into an apartment complex from a house. The place wasn't furnished and there is a huge granite countertop. The bottom is 31" (non-standard) so I had to either buy adjustable barstools for about $150 a pop or make my own. I found a design online I liked and decided to put together a CAD package to reference during the build process. All design credit goes to Pete (http://www.diypete.com/how-to-make-bar-stools/).

I made a set of these barstools and they turned out very well. I