Doorman Face Mask - Working

I decided to remix the other Doorman projects as they all seemed to have some sort of issue and/or instructions weren't very clear. I was able to take a combination of 3D models, code, and instructions from the other 3 Doorman projects into my own Doorman project I know is working.
###Hardware:
-[Arduino Nano](https://www.amazon.com/ARDUINO-A000005-DEV-ATMEGA328-NANO/dp/B01873ITV8/ref=sr_1_9?keywords=arduino+nano&qid=1558018417&s=electronics&sr=1-9)
-[Arduino Nano Sensor Shield](https://www.