https://youtu.be/lVM0vg_LYkY
Learning Guide:
https://learn.adafruit.com/3-dot-5-pitft-octoprint-rig/overview
OctoPrint & Raspberry Pi
This project adds a touch screen display directly to the Raspberry Pi. An Adafruit PiTFT can be used to display the graphical interface of OctoPrint. There is no soldering or laborious assembly required - it's actually pretty easy!
Touch UI Plugin for OctoPrint
The Touch UI plugin adds a mobile friendy, responsive layout to the OctoPrint web interface. It's an easy to install add-on that auto-detects a devices screen resolution and enables large controls ideal for small touch screen displays. Check out the Touch UI plugin page for more information.