I currently use 6 of the 8 provided sections and it's great!  They're flexible enough for me to make a nice little rectangle.  I line up the door of the pen to my dog's crate door, so he's got a little private space but can also walk around (I keep him in there while I'm at work).  I also leave this fake turf in his pen so he can relieve himself while I'm away if need be as well: http:www.wayfair.comPrevue-Hendryx-Tinkle-Turf-50-PVP1175.html