I thought this box would be a good one to do ages ago...and I forgot I had it done and ready to cut until I started looking through my files! I hate being so disorganized! I know it's a pretty common file, but most people want to charge you for it...and I thought it would double nicely as a plain box that could be stacked (those are getting popular now too it seems!). I left out the window so you could do either.
Here's the file: