CR10 Tool Holder

I wanted a tool holder that could also provide support from bottom to help prevent tipping. I also wanted to to have option to capture [Raspberry Pi Sleeve Case by Walter](https://www.thingiverse.com/thing:604915).

If you do not need Raspberry Pi support, then print out two of the standard supports. The tool holder is attached to the supports using the following hardware from Lowes:

[QTY 2 M5-.80 x 20 Pan Phillips Machine Screw](https://www.lowes.com/pd/Hillman-5mm-to-0-8-Phillips-Driv