DIY PCB Ink Plotter using Arduino and GRBL CNC

This homemade PCB Ink plotter is built using Arduino running GRBL CNC firmware, 28BYJ-48 stepper motors, 3D printed parts and other few other hardware. Video is played at 4x speed. The build is based on the design from Dirk Herrendoerfer and the firmware is based on Schematic: