parsing ldraw parts files
site: https://www.ldraw.org/
data: https://library.ldraw.org/library/updates/complete.zip
https://wiki.ldraw.org/index.php?title=Getting_Started_-_Linux
sudo apt install leocad
wget https://library.ldraw.org/library/updates/complete.zip
unzip complete.zip ## making ldraw directory
leocad -l $(pwd)/ldraw