The drawbridge tower

Here's my dice tower...I've put a lot of thought into what a dice tower should be like and tried to create a design that meets these five requirements:It should look like a tower with a drawbridge.It should provide enough space for rolling dice.It should be light and easy to print.It should be sturdy and portable enough to fit in a backpack.It should have space to store at least one full set of dice inside.The result is a tower with a traditional look, consisting of three pieces: the tow