Switchbox v5 with room for 2mm foam inserts

This is a remix of [Zippitybamba's hinged Switch case](https://www.thingiverse.com/thing:2702132) (version 5 at time of writing).

I originally printed the design as-is, but found that 2mm craft foam (the thickness you can buy in a craft store in single sheets) was causing the case to be unable to close when I put foam on both the bottom and top. It added too much height for the case to shut. I imagine the case would work fine with 1mm foam, but I couldn't find any way to get 1mm thickness wi