/usr/lib/freecad/Mod
sudo add-apt-repository ppa:freecad-maintainers/freecad-daily sudo apt-get update sudo apt-get install freecad
svn co https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk freecad
git clone git://github.com/tpaviot/oce.git
hg clone http://hg.sim.no/Pivy/default Pivy