Yes, the Unicode Braille Patterns you got from Branah.com do look good. I use these sometimes when communicating with sighted colleagues via email. Just remember that Unicode Braille Patterns are hardly accessible at all; screen readers usually do not know what to do with them and so do not mention them at all. Pairing Unicode Braille Patterns with ASCII braille is ⠃⠑⠌⠀⠏⠗⠁⠉⠞⠊⠉⠑ (ASCII [with this thread's braille font applied]: be/ practice).
Oh-so-belatedly, please let me say that I truly admire your analysis of the print sign that is constructed of arrows!
- This reply was modified 2 years, 2 months ago by kdejute.