It’s a capable plotter, able to nicely reproduce both graphics and text. The build gains X and Y axes by virtue of two salvaged DVD drives. The tray mechanisms come ready to go with stepper ...

The plotter was the first output device to print graphics and large engineering drawings. Using different colored pens, it could draw in color long before color inkjet printers became viable.

The BrachiGraph project consists out of two parts, the hardware design for a servo-driven drawing arm (pen plotter) and software utilities (written in Python) that allow the drawing arm’s servos ...