HyperPixel 4 & Raspberry Pi 3 B+ Handheld

2019-03-02 Update:
- Added LCDBezel-TouchVersion.stl: Bezel which works with the HyperPixel 4 Touch version.
- Added Support1_v2.stl: Adds additional clearance around the border of the HyperPixel4 PCB.

This is a case used in a proof of concept build for the **Teensy Thumb Keyboard** PCB. More info at:

- https://hackaday.io/project/162281-teensy-thumb-keyboard
- https://github.com/AnthonyDiGirolamo/teensy-thumb-keyboard

I wanted a small tactile keyboard with a comfortable layout that could be used in any handheld based project. BASIC game console, graphing calculator, PDA, Raspberry Pi PocketCHIP replacement, etc.

The main use case is a PocketCHIP replacement device using a Raspberry Pi 3 B+. I'd like it to feel better than my [PocketCHIP "Mechanical" Keyboard](https://www.thingiverse.com/thing:2490185) design.

There are a couple things that I plan on fixing before recommending anyone print this:

1. Add a slide switch cutout to the back of the case.
2. Create an