All the time when I worked as an illustrator. :D Today I carry a little Muji pen [0] that writes well but has a teeny cartridge I replace every few months. I c

All the time when I worked as an illustrator. :D Today I carry a little Muji pen [0] that writes well but has a teeny cartridge I replace every few months. I can think of maybe two times I've used up a proper Bic. They usually dry out or get lost before they run out. [0] https://www.muji.us/store/wooden-hexagonal-ball-point-pen-0-5-natural.html https://www.muji.us/store/wooden-hexagonal-ball-point-pen-0-...