Modular Silicone Caulk Storage

I originally just wanted a way to store my Silicone Caulk Cartridges without them leaking or falling over, just an elegant way and there were many designs available, but none of them had really fit what I was searching for, so here are some Modular pieces which you can adjust and place however you want.

Supports the 3 most common Sizes of Silicone Caulk Cartridges.