i2cdriver case/display

[James Bowden's i2cdriver](https://i2cdriver.com/) is a cool new tool for developing with (and monitoring) i2c devices. He supplies it with little rubber feet but I wanted more. I whipped this design up in openscad, my second iteration fit perfectly and even stores a couple of i2c jumper cables.

Naturally angles will always show the extrusion width, but even at 0.2mm it doesn't look terrible.

The i2cdriver is only $30, [you can even buy it on Amazon with Prime shipping](https://amzn.to/2TmemKW).