Code point
U+3338
Glyph appearance depends on your fonts.
U+3338
So<square> 30DA 30CB 30D2U+3338 SQUARE PENIHI is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the CJK Compatibility block.
Choose the representation you need, then copy its value.
U+3338
13112
㌸
㌸
E3 8C B8
3338
00003338
%E3%8C%B8
\u3338
\u3338
\u3338
\3338