Der Kritzler is a motorized plotter that can make this into a reality. It’s a laser-cut pen holder suspended from a pair belt pulleys. Those belts have counterweights, which make it easier for ...

When we were children, getting the felt tip pens out felt like what we could only imagine Monet, Picasso or Van Gogh experienced as they opened their box of paints - aka the absolute height of ...

Ask someone to write you a note on some absorbent paper using one of the felt-tip pens you intend to test (don't let them tell you which one). Ensure that the note contains an inky dot ...