Ender 3 (Pro) - Raspberry Pi Model B+ Case for OctoPrint with Relay Control

Disclaimer: I am not responsible for any damage you might cause, proceed at you own risk.

This design is a remix of my [Raspberry Pi 3 Model A+ case](https://www.thingiverse.com/thing:3338152) for the Raspberry Pi Model B+:
It adds a case to your Ender 3 (Pro) that fits a Raspberry Pi 3 Model B+, a 10A relay (for switching LEDs on/off), a 30A relay (for switching printer on/off), a buck converter (for powering the Raspberry Pi from the Ender 3's PSU) and a 4010 fan. There is a hole in the li