PPA はコチラ : FreeCAD Stable Releases
$ sudo add-apt-repository ppa:freecad-maintainers/freecad-stable
$ sudo apt-get update
$ sudo apt-get install freecad
最新の FreeCAD Stable を追いかけたい
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PPA はコチラ : FreeCAD Stable Releases
$ sudo add-apt-repository ppa:freecad-maintainers/freecad-stable
$ sudo apt-get update
$ sudo apt-get install freecad