what i used was actually from someone on this site, basically you make a frame of pvc piping like a square and thne you zip tie netting all around the sides and then the bottom, but i wanted to be able to have quicker access to mine and since hes only a foot and a half i made the top so i could take it off {its made of metal mesh because plastic can maely by lamps.) also the one from here was more of a sunning cage, but i made mine into a inside one by buting some real thick plastic sheeting then basically zip tying it into shape aroundthe cage, i can still take it off and its easy to clean, then u can just throw in some plants and such and you got a good cage. mine is actually 5 feet tall 4 feet wide and 4 feet deep. also i make a shelf for him to sit on in thcage out of pvc by making a pipe the width of the cage than putting holes in the end and ziptying to the side of cage, then i put netting from the pole to the wall, so he could sit, then i just covered it with plants and carpet so it didnt looks so bad.
o and for the reptarium you were talking about, i would not get those, they are kinda cool looking on sites and stuff, but there not the easiest to look into, well they seem very dark, and an iquans class can rip the netting around it.
Jeff