five pen sizes, four highlighter colors, and 10 pen colors. While I appreciate that the tablet-like functions allow the Libra to offer more ways to use its color e-ink than the Clara Colour ...

No stationery case is complete without an array of pens, correction fluid and highlighters. From marking up notes to adding a pop of colour to doodles, the eye-catching ink is a sure way to make ...

[Emily] set about gutting several highlighter pens and squeezed out the ink reservoirs into a ladle. The printer’s ink cartridge was then filled with the fluid, and a test print was fired off.

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 ...