My brother in law and I made the Best home made Target, we basically got a bunch or styrofoam sheet cut them all 36"X36" used the strapping machine at work to compress it all togather nice and tight, oh yah we put peices or 1X2 wood in there so it would hold it's shape and the thing works great for us,had a slow day at work and got bored good thing I have a cool boss who also hunts just had to make him one too LOL