Most pen plotters work by moving the pen on two axes, but [Benjamin] took a different approach, using the friction drive bars from the printer to move the paper on one axis, and a servo to move ...

It’s why desktop 3D printers are such a powerful tool, and why this scalable plotter from the [Lost Projects ... GT2 belt and pulley to move the pen back and forth. We particularly like the ...

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.