diff --git a/src/slic3r/GUI/Gizmos/GLGizmoBrimEars.cpp b/src/slic3r/GUI/Gizmos/GLGizmoBrimEars.cpp index dac6a4ec7..51feecff2 100644 --- a/src/slic3r/GUI/Gizmos/GLGizmoBrimEars.cpp +++ b/src/slic3r/GUI/Gizmos/GLGizmoBrimEars.cpp @@ -5,6 +5,7 @@ #include "slic3r/GUI/Gizmos/GLGizmosCommon.hpp" #include "slic3r/GUI/GUI_App.hpp" #include "slic3r/GUI/Plater.hpp" +#include "libslic3r/ClipperUtils.hpp" #include "libslic3r/ExPolygon.hpp" namespace Slic3r { namespace GUI {