Code for a capstone project to make a 3 axis robot draw an image from an image file
Install dependencies
$ sudo apt-get install build-essential python3-dev python3-pip libagg-dev libpotrace-dev pkg-config
Install libraries
$ pip install numpy
$ pip install pillow
$ pip install tkinter
$ pip install pypotrace
$ pip install RPi.GPIO
Alternate libraries (pure python but slower)
$ pip install potracer
Must run this command for gpiozero
$ sudo pigpiod