Code point
U+2A21
Glyph appearance depends on your fonts.
U+2A21
SmU+2A21 Z NOTATION SCHEMA PROJECTION is a Unicode 16.0.0 character in the Math Symbol category. It belongs to the Supplemental Mathematical Operators block.
Choose the representation you need, then copy its value.
U+2A21
10785
⨡
⨡
E2 A8 A1
2A21
00002A21
%E2%A8%A1
\u2A21
\u2A21
\u2A21
\2A21