Scalable box with lid and 4 screws

A simple to scale up or down box. It containes 2 parts: the base and the top. They connect with 4 screws.

I made it in order to test if a resin is waterproof. So I inserted a piece of absorbing paper inside the box, closed the lid with the 4 screws and applied the resin. It held the water out, so it can be waterproof.