@chrwahl @funkylab @uastronomer @writingslowly @TonyJWells Some good guesses to be sure and some which might work in other cases. Here, I used it to fill in the white of etched, but missing characters on some of the keycaps. More here: https://boffosocko.com/2024/09/01/crayons-for-typewriter-restoration/#comment-451455 Today I used a Crayola Crayon as part of a typewriter restoration project.