diff --git a/src/my_mesh.h b/src/my_mesh.h
index 76e2996..b7512c5 100644
--- a/src/my_mesh.h
+++ b/src/my_mesh.h
@@ -7,14 +7,17 @@
 #include <QMatrix4x4>
 #include <QColor>
 #include <QVector3D>
+#include <OpenMesh/Core/Geometry/EigenVectorT.hh>
 
 
 struct MyTraits : public OpenMesh::DefaultTraits {
+    using Point = Eigen::Vector3<qreal>;
+    using Normal = Eigen::Vector3<qreal>;
+    using Color = Eigen::Vector3<qreal>;
     VertexAttributes(OpenMesh::Attributes::Normal);
     HalfedgeAttributes(OpenMesh::Attributes::PrevHalfedge);
     FaceAttributes(OpenMesh::Attributes::Normal);
     EdgeAttributes(OpenMesh::Attributes::Color);
-	typedef OpenMesh::Vec3f Color;
 };
 
 class MyMesh : public OpenMesh::TriMesh_ArrayKernelT<MyTraits> {