Terraforming Mars Single Cube Box

This is a half-box sized to hold a single player cube for the board game Terraforming Mars. This box can be glued to any object so that object can serve as a tile on the game board. Specifically this was designed to be glued on top of a "Nuclear Zone" or "Atomares Sperrgebiet" tile that was posted on the Board Game Geek forums which didn't have a sufficient socket for a player cube. The STL models posted on BGG were extremely high quality and I had trouble editing them in software so I instead d