diff --git a/src/Mod/Drawing/App/FeatureViewPart.cpp b/src/Mod/Drawing/App/FeatureViewPart.cpp
index 1c99ff63d..c1d7527da 100644
--- a/src/Mod/Drawing/App/FeatureViewPart.cpp
+++ b/src/Mod/Drawing/App/FeatureViewPart.cpp
@@ -84,7 +84,8 @@ FeatureViewPart::FeatureViewPart(void)
     ADD_PROPERTY_TYPE(Source ,(0),group,App::Prop_None,"Shape to view");
     ADD_PROPERTY_TYPE(ShowHiddenLines ,(false),group,App::Prop_None,"Control the appearance of the dashed hidden lines");
     ADD_PROPERTY_TYPE(ShowSmoothLines ,(false),group,App::Prop_None,"Control the appearance of the smooth lines");
-    ADD_PROPERTY_TYPE(LineWidth,(0.35),vgroup,App::Prop_None,"The thickness of the resulting lines");
+    ADD_PROPERTY_TYPE(LineWidth,(0.35),vgroup,App::Prop_None,"The thickness of the viewed lines");
+    ADD_PROPERTY_TYPE(HiddenWidth,(0.15),vgroup,App::Prop_None,"The thickness of the hidden lines, if enabled");
     ADD_PROPERTY_TYPE(Tolerance,(0.05),vgroup,App::Prop_None,"The tessellation tolerance");
     Tolerance.setConstraints(&floatRange);
 }
@@ -202,7 +203,7 @@ App::DocumentObjectExecReturn *FeatureViewPart::execute(void)
         ProjectionAlgos::ExtractionType type = ProjectionAlgos::Plain;
         if (hidden) type = (ProjectionAlgos::ExtractionType)(type|ProjectionAlgos::WithHidden);
         if (smooth) type = (ProjectionAlgos::ExtractionType)(type|ProjectionAlgos::WithSmooth);
-        result << Alg.getSVG(type, this->LineWidth.getValue() / this->Scale.getValue(), this->Tolerance.getValue());
+        result << Alg.getSVG(type, this->LineWidth.getValue() / this->Scale.getValue(), this->Tolerance.getValue(), this->HiddenWidth.getValue() / this->Scale.getValue());
 
         result << "</g>" << endl;
 
diff --git a/src/Mod/Drawing/App/FeatureViewPart.h b/src/Mod/Drawing/App/FeatureViewPart.h
index 6a47fbcb4..9238f6bcb 100644
--- a/src/Mod/Drawing/App/FeatureViewPart.h
+++ b/src/Mod/Drawing/App/FeatureViewPart.h
@@ -53,6 +53,7 @@ public:
     App::PropertyBool   ShowHiddenLines;
     App::PropertyBool   ShowSmoothLines;
     App::PropertyFloat  LineWidth;
+    App::PropertyFloat  HiddenWidth;
     App::PropertyFloatConstraint  Tolerance;
 
 
diff --git a/src/Mod/Drawing/App/ProjectionAlgos.cpp b/src/Mod/Drawing/App/ProjectionAlgos.cpp
index 92ba3283a..3d4822099 100644
--- a/src/Mod/Drawing/App/ProjectionAlgos.cpp
+++ b/src/Mod/Drawing/App/ProjectionAlgos.cpp
@@ -146,14 +146,13 @@ void ProjectionAlgos::execute(void)
 
 }
 
-std::string ProjectionAlgos::getSVG(ExtractionType type, double scale, double tolerance)
+std::string ProjectionAlgos::getSVG(ExtractionType type, double scale, double tolerance, double hiddenscale)
 {
     std::stringstream result;
     SVGOutput output;
-    float hfactor = 0.5f; // hidden line size factor, was 0.15f / 0.35f;
 
     if (!H.IsNull() && (type & WithHidden)) {
-        double width = hfactor * scale;
+        double width = hiddenscale;
         BRepMesh::Mesh(H,tolerance);
         result  << "<g" 
                 //<< " id=\"" << ViewName << "\"" << endl
@@ -168,7 +167,7 @@ std::string ProjectionAlgos::getSVG(ExtractionType type, double scale, double to
                 << "</g>" << endl;
     }
     if (!HO.IsNull() && (type & WithHidden)) {
-        double width = hfactor * scale;
+        double width = hiddenscale;
         BRepMesh::Mesh(HO,tolerance);
         result  << "<g" 
                 //<< " id=\"" << ViewName << "\"" << endl
@@ -225,7 +224,7 @@ std::string ProjectionAlgos::getSVG(ExtractionType type, double scale, double to
                 << "</g>" << endl;
     }
     if (!H1.IsNull() && (type & WithSmooth) && (type & WithHidden)) {
-        double width = hfactor * scale;
+        double width = hiddenscale;
         BRepMesh::Mesh(H1,tolerance);
         result  << "<g" 
                 //<< " id=\"" << ViewName << "\"" << endl
@@ -239,10 +238,6 @@ std::string ProjectionAlgos::getSVG(ExtractionType type, double scale, double to
                 << output.exportEdges(H1)
                 << "</g>" << endl;
     }
-        /*result << "0"          << endl
-        << "SECTION"  << endl
-        << "2"          << endl
-        << "ENTITIES" << endl;*/
     return result.str();
 }
 
diff --git a/src/Mod/Drawing/App/ProjectionAlgos.h b/src/Mod/Drawing/App/ProjectionAlgos.h
index 34f9be2f0..8f040dc85 100644
--- a/src/Mod/Drawing/App/ProjectionAlgos.h
+++ b/src/Mod/Drawing/App/ProjectionAlgos.h
@@ -51,7 +51,7 @@ public:
         WithSmooth = 2
     };
 
-    std::string getSVG(ExtractionType type, double scale, double tolerance);
+    std::string getSVG(ExtractionType type, double scale=0.35, double tolerance=0.05, double hiddenscale=0.15);
     std::string getDXF(ExtractionType type, double scale, double tolerance);//added by Dan Falck 2011/09/25