Code point
U+2510
Glyph appearance depends on your fonts.
U+2510
SoU+2510 BOX DRAWINGS LIGHT DOWN AND LEFT is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Box Drawing block.
Choose the representation you need, then copy its value.
U+2510
9488
┐
┐
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E2 94 90
2510
00002510
%E2%94%90
\u2510
\u2510
\u2510
\2510