What means
It marks one patterned patch in a text-grid picture.
The cell has two columns and four rows; its numbers identify the filled parts. A Kaypro 10 guide from 1983 documents eight-pixel graphics characters for screen drawings. Unicode carries these hardware-era patterns as text, and neighboring tiles can extend an image.
Why won't block octant-2346 show in my terminal?
The font or terminal may not support the glyph.
As of 2026, terminal support varies: some emulators draw octants themselves; others rely on a font that includes them.
Don't confuse it with
4Questions people ask
1Why does show as a box on some devices?
Because that device's fonts have no glyph for it. The character is still correct and still copies correctly — the box is a missing glyph, not a broken character.
How to type
Windows (Word)
Alt+XType 1CD25, then Alt+X to get .
Windows
Win+Rrun charmap for the full table, or use the emoji picker's Ω symbols tab (Win + .).
macOS
Control+Command+SpaceOpen the character viewer and search “block octant-2346”.
Linux
Ctrl+Shift+UType 1cd25, then Enter or Space.
HTML
𜴥CSS
\1CD25Codes and encoding1 code points
HTML decimal
𜴥
HTML hex
𜴥
CSS content
content: "\1CD25";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%F0%9C%B4%A5
1
On screen
1
Code points
2
JS .length
4
UTF-8 bytes
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.