That is an awesome habitat. It has all of the essential elements needed for comfort: a basking spot, a cooler end, hidey holes, and enough topography to provide enrichment and a little climbing exercise. May I ask what kind of lighting you are using and whether or not you are satisfied with it’s performance?
He does seem to be enjoying it. Because he has access to this lamp, do you supplement his feed with D3 or do you feel the lamp is sufficient? Another forum member was inquiring about this topic recently.