We did it How a comment on HackerNews lead to 4 ½ new Unicode characters

We've already had a few people contact us to say that they're using it as a template. Hopefully it removes some of the mystery from the process.

... because you don't have a sufficiently Unicode 9 compatible font to see ⏻, ⏼, ⭘,⏽, ⏾?

You can seem them as images at https://github.com/jloughry/Unicode along with a link to a font which supports it, and a chart which shows browser support.

Interesting. Which browser are you using? There should be web font support on that page.