Code point
U+2881
Glyph appearance depends on your fonts.
U+2881
SoU+2881 BRAILLE PATTERN DOTS-18 is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Braille Patterns block.
Choose the representation you need, then copy its value.
U+2881
10369
⢁
⢁
E2 A2 81
2881
00002881
%E2%A2%81
\u2881
\u2881
\u2881
\2881