libigl/python/modules/py_typedefs.h

typedef std::vector<Eigen::Quaterniond,Eigen::aligned_allocator<Eigen::Quaterniond> > RotationList;
PYBIND11_MAKE_OPAQUE(RotationList);

//typedef std::vector<Eigen::Vector3d> TranslationList;
//PYBIND11_MAKE_OPAQUE(TranslationList);