diff --git a/src/Mod/Sketcher/App/SketchObjectPy.xml b/src/Mod/Sketcher/App/SketchObjectPy.xml
index b8eb29b8d..45b6db4c2 100644
--- a/src/Mod/Sketcher/App/SketchObjectPy.xml
+++ b/src/Mod/Sketcher/App/SketchObjectPy.xml
@@ -156,7 +156,12 @@
       <Documentation>
         <UserDocu>Deletes all unused (not further constrained) internal geometry</UserDocu>
       </Documentation>    
-    </Methode>    
+    </Methode>
+    <Methode Name="ConvertToNURBS">
+        <Documentation>
+            <UserDocu>Approximates the given geometry with a B-Spline</UserDocu>
+        </Documentation>    
+    </Methode>
     <Methode Name="calculateAngleViaPoint">
       <Documentation>
         <UserDocu>
diff --git a/src/Mod/Sketcher/App/SketchObjectPyImp.cpp b/src/Mod/Sketcher/App/SketchObjectPyImp.cpp
index 0923eb3d3..172387966 100644
--- a/src/Mod/Sketcher/App/SketchObjectPyImp.cpp
+++ b/src/Mod/Sketcher/App/SketchObjectPyImp.cpp
@@ -998,6 +998,24 @@ PyObject* SketchObjectPy::DeleteUnusedInternalGeometry(PyObject *args)
     Py_Return;
 }
 
+PyObject* SketchObjectPy::ConvertToNURBS(PyObject *args)
+{
+    int GeoId;
+
+    if (!PyArg_ParseTuple(args, "i", &GeoId))
+        return 0;
+
+    if (this->getSketchObjectPtr()->ConvertToNURBS(GeoId)==false) {
+        std::stringstream str;
+        str << "Object does not support NURBS conversion: " << GeoId;
+        PyErr_SetString(PyExc_ValueError, str.str().c_str());
+        return 0;
+    }
+
+    Py_Return;
+}
+
+
 Py::Int SketchObjectPy::getConstraintCount(void) const
 {
     return Py::Int(this->getSketchObjectPtr()->Constraints.getSize());