Assuming we can use both lower- and uppercase letters (52 in total), with the ten digits and the underscore that gives us 63 characters to work with. A random 16-character combination of these gives us 95 bits of entropy (rounding down), which is secure enough by modern standards, at least for a home router.

Regardless, I understand the frustration of arbitrary limitations preventing you from choosing a secure password in a way that you’re comfortable with.

That’s what I said

About the current “pentagram” symbol:

However, its design is a little too complex to be used at small sizes, as you would in text or in a button. It’s also only available in image form, not as a typographical character.

We’ve used it as a tiny icon below posts from other instances and I’ve never found it problematic. I think it’s already too well established to replace just because we can’t type it. Besides, the three stars feel to me not distinct enough. Pushing Unicode Consortium to add it to the standard when the time comes is a batter way.

I do think however that it would be worth coming up with a proper name for the current symbol.

Hi! I was just going through the same dilemma, so you might find comments under my post helpful. Be warned though, as you lean towards S1 Pro, I was also biased, albeit towards Prusa MINI+.