my hubby builds my cages. Our first cage was a sliding glass door. You can actually order the whole kit with any local glass company. Just give them the dimensions. Another cage my hubby did was with doors. I can tell you....I LOVE the doors way way better than the sliding glass.
http://ball-pythons.net/forums/showt...ge-by-my-hubby
You also can make your own fake rock wall and hides ....its actually very easy and super fun!!
http://www.lizard-landscapes.com/index.html