Clip-on Sunglasses Case

#### https://gitlab.com/warrcad/sunglasses-case

This is an optimized custom carrying/protective case for Solar Shield clip-on sunglasses (purchased at Walmart).

I like them because they're much thinner and lighter than other clip-on designs I've used, so they don't weigh down your glasses. Unfortunately, the only way to disable the dimming effect (e.g. when you step into a dimly-lit room from outside) is to remove them completely. They're very delicate (I've broken 2 just by dropping them) so they need a protective case when not in use.

The problems with the original case the sunglasses came in:
- Made of soft material, which does not protect well.
- Covered in stickers which are hard to remove, leave residue, and disintegrate when the case is washed.
- Case contacts sunglasses lenses when used, transferring grease and dirt, so both need to be washed.

The problems with other, general-purpose sunglasses cases:
- Often too large, not fitting well in pockets, and leaving