RayBan Aviator case with shirt clip

This is derived from my simple RayBan Aviator sunglasses case. As with that, the intent is for the case to be sturdy enough to offer real protection, not just against scratches but also against crushes and slaps, while adding very little bulk, unlike all those huge padded hinged monstrosity glasses cases you see at the store. Since I can print it exactly to the size of my glasses, why not? Particularly since Aviators fold to such a slim profile.

I've added supports manually because Slic3r