require LaTeX::TikZ::Set::Polyline; # polyline, closed_polyline
require LaTeX::TikZ::Set::Rectangle; # rectangle
require LaTeX::TikZ::Set::Circle; # circle
require LaTeX::TikZ::Set::Polyline; # polyline, closed_polyline
require LaTeX::TikZ::Set::Rectangle; # rectangle
require LaTeX::TikZ::Set::Circle; # circle