sketch(1) on Linux
The text 49ddc454232a, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye) shipped it. The page shows this text now.
Produce 3D line drawings from scene description language
Flags it lists
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-D -
-U -
-b -
-d -
-h -
-o -
-t -
-v