If you need monochromatic images (ie for logos or charts) a pretty cool trick is using braille. With a little bit of hacking, the xkcd example of this repo http

If you need monochromatic images (ie for logos or charts) a pretty cool trick is using braille. With a little bit of hacking, the xkcd example of this repo https://github.com/asciimoo/drawille/ https://github.com/asciimoo/drawille/ works pretty well :) I'll be using this for my email signature.