PID Tune to your hotend will result in better quality prints so it’s worth the time to learn how to do it. It’s not that hard at all. If you haven’t installed the Marlin Firmware on your 3D Printers Mainboard or don’t know what Marlin is check out my article; Beginner Guide to Marlin 1.1 3D Printer Firmware before trying this tutorial. What is PID Tuning Well, in short PID Tuning ensures your HotEnd or Heated Bed stays at your desired temperature…