http://www.selfgdl.de/index.php
 http://www.3dcadco.com/objects/home02b.htm
 http://www.gotogdl.net/2-1-free-gdl-objects.php
 http : //www.doclace.it/eng/index.php
 http://archicadwiki.com/LinkCollection/GDLObjectЗагрузить
 http://www.opengdl.org/Default.aspx?tabid=987&language=en-US
 http: // cmtk3.webring.org/l/rd?ring=archicad;id=11;url=http%3A%2F%2Farchilib%2Eod%2Epagesperso-orange%2Efr%2Fliens%2Ehtml
 http://favier.francois.free.fr /lgd/obgdl.html