CFree3344,
generally speaking I would say your cage is likely to large for a 3 month old panther. That said with the right amount of attention, it can be done. If this is your first cham I would recommend you spring for a smaller ESU or reptarium until you are comfortable with the cham and he is comfy with you. The issue is finding food , and finding your drip, and of course you finding him. These little buggers can hide in a densely planted cage and you look for 10 minutes only to find that he is 2 inches from your face the whole time! Seriously though your cham will develop a routine and learn his cage. You will often find him in close to the same places every day at the same times. He will sleep in the same roost spot nightly, learn where the crickets hide out, where the water drips, where the basking site is, where the cool humid spot in the back corner is. He will learn all this much faster in a smaller cage. You will need that big cage quicker than you think though. Hope this helps.