Death Star Plans Datacassette from Rogue One.
As close as I can get without measuring the real thing, the scale may be off slightly but it is more or less accurate.
Acrylic tubes and the bottom transparent plates should be either real transparent acrylic and frosted acrylic sheet or at the very least transparent PLA.
If you like this and feel like donating or tipping me I would very much appreciate it - http://paypal.me/thelegendofmart
