My father and I built a couple custom cages this weekend... Dimensions are 4x2x1.5... Just need to polyurthane/stain... put on the front doors... flexwat and then cover the bottom with vinyl... 2 almost done and 2 to go...
https://ball-pythons.net/gallery/fil.../7/3/tank3.jpg
https://ball-pythons.net/gallery/fil.../7/3/tank2.jpg
https://ball-pythons.net/gallery/fil.../7/3/tank1.jpg