Cloning this repository:

git clone git://gitorious.org/~fduchello/qt-labs/fduchellos-qt3d.git fduchellos-qt3d
cd fduchellos-qt3d

Add this repository as a remote to an existing local repository:

git remote add fduchellos-qt3d git://gitorious.org/~fduchello/qt-labs/fduchellos-qt3d.git
git fetch fduchellos-qt3d
git checkout -b my-local-tracking-branch fduchellos-qt3d/master_or_other_branch