My recreation use packing containers □ which can be marked with a number of line relying on what number of instances they’re used. They might be marked as much as 3 instances, first with a single line like 〼, then ☒, lastly a 3rd horizontal line over the X.

I think there’s a “greatest observe” for working with customized symbols in textual content like this, however what’s it?

As you see above some can be found as unicode symbols, however not all and never in a uniform dimension. Handling them as photographs works in some circumstances however turns into troublesome as they break up the textual content move in any word-processor fashion textual content like directions. I’ve checked out numerous image fonts with none luck.