diff --git a/src/Mod/Sketcher/App/SketchObjectPy.xml b/src/Mod/Sketcher/App/SketchObjectPy.xml
index 3972336965..717ed48e15 100644
--- a/src/Mod/Sketcher/App/SketchObjectPy.xml
+++ b/src/Mod/Sketcher/App/SketchObjectPy.xml
@@ -53,6 +53,11 @@
         <UserDocu>Rename a constraint of the sketch</UserDocu>
       </Documentation>
     </Methode>
+    <Methode Name="carbonCopy">
+        <Documentation>
+            <UserDocu>copy another sketch's geometry and constraints</UserDocu>
+        </Documentation>
+    </Methode>
     <Methode Name="addExternal">
       <Documentation>
         <UserDocu>add a link to an external geometry to use it in a constraint</UserDocu>
diff --git a/src/Mod/Sketcher/App/SketchObjectPyImp.cpp b/src/Mod/Sketcher/App/SketchObjectPyImp.cpp
index b6aa9a5529..6e73ef0b6b 100644
--- a/src/Mod/Sketcher/App/SketchObjectPyImp.cpp
+++ b/src/Mod/Sketcher/App/SketchObjectPyImp.cpp
@@ -374,6 +374,41 @@ PyObject* SketchObjectPy::renameConstraint(PyObject *args)
     Py_Return;
 }
 
+PyObject* SketchObjectPy::carbonCopy(PyObject *args)
+{
+    char *ObjectName;
+    PyObject *construction = Py_True;
+    if (!PyArg_ParseTuple(args, "s|O!:Give an object", &ObjectName, &PyBool_Type, &construction))
+        return 0;
+
+    Sketcher::SketchObject* skObj = this->getSketchObjectPtr();
+    App::DocumentObject * Obj = skObj->getDocument()->getObject(ObjectName);
+    
+    if (!Obj) {
+        std::stringstream str;
+        str << ObjectName << " does not exist in the document";
+        PyErr_SetString(PyExc_ValueError, str.str().c_str());
+        return 0;
+    }
+    // check if this type of external geometry is allowed
+    if (!skObj->isExternalAllowed(Obj->getDocument(), Obj) && (Obj->getTypeId() != Sketcher::SketchObject::getClassTypeId())) {
+        std::stringstream str;
+        str << ObjectName << " is not allowed for a carbon copy operation in this sketch";
+        PyErr_SetString(PyExc_ValueError, str.str().c_str());
+        return 0;
+    }
+    
+    // add the external
+    if (skObj->carbonCopy(Obj, PyObject_IsTrue(construction) ? true : false) < 0) {
+        std::stringstream str;
+        str << "Not able to add the requested geometry";
+        PyErr_SetString(PyExc_ValueError, str.str().c_str());
+        return 0;
+    }
+    
+    Py_Return;
+}
+
 PyObject* SketchObjectPy::addExternal(PyObject *args)
 {
     char *ObjectName;