git clone git@github.com:sputnick-dev/sedtris.git
cd sedtris
./sedtris.sh
or
wget https://github.com/sputnick-dev/sedtris/archive/refs/heads/main.zip
unzip main.zip
cd sedtris-main/
chmod +x sedtris.sh
./sedtris.sh
https://libregamewiki.org/Sedtris
backup: https://web.archive.org/web/20221224195401/https://libregamewiki.org/Sedtris