Sixel came out in the 80's as a way to print on dot matrix printers. If your terminal doesn't support that yet, you might want to look into updating your software.
Counterpoint: https://news.ycombinator.com/item?id=48302319
If it ain't broke, don't fix it
Counterpoint: https://news.ycombinator.com/item?id=48302319
If it ain't broke, don't fix it