diff --git a/xs/src/libslic3r/Geometry.cpp b/xs/src/libslic3r/Geometry.cpp
index 2ca3088b24..0cc9a575c3 100644
--- a/xs/src/libslic3r/Geometry.cpp
+++ b/xs/src/libslic3r/Geometry.cpp
@@ -474,14 +474,21 @@ MedialAxis::build(ThickPolylines* polylines)
     /*
     // DEBUG: dump all Voronoi edges
     {
+        SVG svg("voronoi.svg");
+        svg.draw(*this->expolygon);
         for (VD::const_edge_iterator edge = this->vd.edges().begin(); edge != this->vd.edges().end(); ++edge) {
             if (edge->is_infinite()) continue;
             
             ThickPolyline polyline;
             polyline.points.push_back(Point( edge->vertex0()->x(), edge->vertex0()->y() ));
             polyline.points.push_back(Point( edge->vertex1()->x(), edge->vertex1()->y() ));
+            polyline.width.push_back(this->max_width);
+            polyline.width.push_back(this->max_width);
             polylines->push_back(polyline);
+            
+            svg.draw(polyline);
         }
+        svg.Close();
         return;
     }
     */
diff --git a/xs/src/libslic3r/Geometry.hpp b/xs/src/libslic3r/Geometry.hpp
index d25901529a..55c760f7e7 100644
--- a/xs/src/libslic3r/Geometry.hpp
+++ b/xs/src/libslic3r/Geometry.hpp
@@ -43,13 +43,7 @@ class MedialAxis {
     void build(Polylines* polylines);
     
     private:
-    class VD : public voronoi_diagram<double> {
-    public:
-        typedef double                                          coord_type;
-        typedef boost::polygon::point_data<coordinate_type>     point_type;
-        typedef boost::polygon::segment_data<coordinate_type>   segment_type;
-        typedef boost::polygon::rectangle_data<coordinate_type> rect_type;
-    };
+    typedef voronoi_diagram<double> VD;
     VD vd;
     std::set<const VD::edge_type*> edges, valid_edges;
     std::map<const VD::edge_type*, std::pair<coordf_t,coordf_t> > thickness;