D&D elevation tower connector

Wanted to find a use for all the empty dice cases my group had. This thing connects the clear portion of a dice case top together. This allows you to stack them alternating Black Bottom, Clear Case, Tower Connector, clear case, bottom black piece and so on.
The second file is a platform that fits around a case to add some room for minis at higher elevations

We use 1 case to represent 10ft increments.