During the time between my previous post and this one, I decided not to proceed with the two previous ideas that I had. I have finalized what I will be doing and have collected all the required materials for it. I chose to stick to the terrarium idea and decided to have it in a quatrefoil encapsulation which will be made from polycarbonate tubes.
Further, if there is time, I plan to create a tesseract enclosure for the terrarium itself, made from wooden skewers which would complete the concept that I have in mind. Here is a visual representation of what the project should ideally look like once it is completed: