diff --git a/src/Mod/Part/App/TopoShape.cpp b/src/Mod/Part/App/TopoShape.cpp
index f81a04122..c17aa3b1a 100644
--- a/src/Mod/Part/App/TopoShape.cpp
+++ b/src/Mod/Part/App/TopoShape.cpp
@@ -1679,13 +1679,10 @@ TopoDS_Shape TopoShape::removeShape(const std::vector<TopoDS_Shape>& s) const
 
 void TopoShape::sewShape()
 {
-    //ShapeFix_Shape fixer(this->_Shape);
-    //fixer.Perform();
     BRepBuilderAPI_Sewing sew;
-    sew.Load(this->_Shape/*fixer.Shape()*/);
+    sew.Load(this->_Shape);
     sew.Perform();
 
-    //shape = ShapeUpgrade_ShellSewing().ApplySewing(shape);
     this->_Shape = sew.SewedShape();
 }
 
@@ -1722,6 +1719,10 @@ bool TopoShape::fix(double precision, double mintol, double maxtol)
         fix.FixFaceTool()->Perform();
         this->_Shape = fix.Shape();
     }
+    else if (type == TopAbs_WIRE) {
+        fix.FixWireTool()->Perform();
+        this->_Shape = fix.Shape();
+    }
     else {
         this->_Shape = fix.Shape();
     }
diff --git a/src/Mod/Part/App/TopoShapeEdgePy.xml b/src/Mod/Part/App/TopoShapeEdgePy.xml
index a7f314e79..7e01e5a42 100644
--- a/src/Mod/Part/App/TopoShapeEdgePy.xml
+++ b/src/Mod/Part/App/TopoShapeEdgePy.xml
@@ -59,6 +59,12 @@
 				<UserDocu>Set the tolerance for the edge.</UserDocu>
 			</Documentation>
 		</Methode>
+		<Attribute Name="Tolerance">
+			<Documentation>
+				<UserDocu>Set or get the tolerance of the vertex</UserDocu>
+			</Documentation>
+			<Parameter Name="Tolerance" Type="Float"/>
+		</Attribute>
 		<Attribute Name="Length" ReadOnly="true">
 		  <Documentation>
 			  <UserDocu>Returns the length of the edge</UserDocu>
diff --git a/src/Mod/Part/App/TopoShapeEdgePyImp.cpp b/src/Mod/Part/App/TopoShapeEdgePyImp.cpp
index b69049e6e..d33159b6f 100644
--- a/src/Mod/Part/App/TopoShapeEdgePyImp.cpp
+++ b/src/Mod/Part/App/TopoShapeEdgePyImp.cpp
@@ -409,6 +409,19 @@ PyObject* TopoShapeEdgePy::setTolerance(PyObject *args)
 
 // ====== Attributes ======================================================================
 
+Py::Float TopoShapeEdgePy::getTolerance(void) const
+{
+    const TopoDS_Edge& e = TopoDS::Edge(getTopoShapePtr()->_Shape);
+    return Py::Float(BRep_Tool::Tolerance(e));
+}
+
+void TopoShapeEdgePy::setTolerance(Py::Float tol)
+{
+    BRep_Builder aBuilder;
+    const TopoDS_Edge& e = TopoDS::Edge(getTopoShapePtr()->_Shape);
+    aBuilder.UpdateEdge(e, (double)tol);
+}
+
 Py::Float TopoShapeEdgePy::getLength(void) const
 {
     const TopoDS_Edge& e = TopoDS::Edge(getTopoShapePtr()->_Shape);
diff --git a/src/Mod/Part/App/TopoShapeFacePy.xml b/src/Mod/Part/App/TopoShapeFacePy.xml
index 5c9c62691..f958d0440 100644
--- a/src/Mod/Part/App/TopoShapeFacePy.xml
+++ b/src/Mod/Part/App/TopoShapeFacePy.xml
@@ -64,6 +64,12 @@
 				<UserDocu>Set the tolerance for the face.</UserDocu>
 			</Documentation>
 		</Methode>
+		<Attribute Name="Tolerance">
+			<Documentation>
+				<UserDocu>Set or get the tolerance of the vertex</UserDocu>
+			</Documentation>
+			<Parameter Name="Tolerance" Type="Float"/>
+		</Attribute>
 		<Attribute Name="ParameterRange" ReadOnly="true">
 			<Documentation>
 				<UserDocu>Returns a 4 tuple with the parameter range</UserDocu>
diff --git a/src/Mod/Part/App/TopoShapeFacePyImp.cpp b/src/Mod/Part/App/TopoShapeFacePyImp.cpp
index 60a1e5e5d..9c65d51f2 100644
--- a/src/Mod/Part/App/TopoShapeFacePyImp.cpp
+++ b/src/Mod/Part/App/TopoShapeFacePyImp.cpp
@@ -417,17 +417,6 @@ PyObject* TopoShapeFacePy::makeHalfSpace(PyObject *args)
     }
 }
 
-PyObject* TopoShapeFacePy::setTolerance(PyObject *args)
-{
-    double tol;
-    if (!PyArg_ParseTuple(args, "d", &tol))
-        return 0;
-    BRep_Builder aBuilder;
-    const TopoDS_Face& f = TopoDS::Face(getTopoShapePtr()->_Shape);
-    aBuilder.UpdateFace(f, tol);
-    Py_Return;
-}
-
 Py::Object TopoShapeFacePy::getSurface() const
 {
     const TopoDS_Face& f = TopoDS::Face(getTopoShapePtr()->_Shape);
@@ -518,6 +507,30 @@ Py::Object TopoShapeFacePy::getSurface() const
     throw Py::TypeError("undefined surface type");
 }
 
+PyObject* TopoShapeFacePy::setTolerance(PyObject *args)
+{
+    double tol;
+    if (!PyArg_ParseTuple(args, "d", &tol))
+        return 0;
+    BRep_Builder aBuilder;
+    const TopoDS_Face& f = TopoDS::Face(getTopoShapePtr()->_Shape);
+    aBuilder.UpdateFace(f, tol);
+    Py_Return;
+}
+
+Py::Float TopoShapeFacePy::getTolerance(void) const
+{
+    const TopoDS_Face& f = TopoDS::Face(getTopoShapePtr()->_Shape);
+    return Py::Float(BRep_Tool::Tolerance(f));
+}
+
+void TopoShapeFacePy::setTolerance(Py::Float tol)
+{
+    BRep_Builder aBuilder;
+    const TopoDS_Face& f = TopoDS::Face(getTopoShapePtr()->_Shape);
+    aBuilder.UpdateFace(f, (double)tol);
+}
+
 Py::Tuple TopoShapeFacePy::getParameterRange(void) const
 {
     const TopoDS_Face& f = TopoDS::Face(getTopoShapePtr()->_Shape);
diff --git a/src/Mod/Part/App/TopoShapeVertexPy.xml b/src/Mod/Part/App/TopoShapeVertexPy.xml
index a66f85f4d..38a3c141b 100644
--- a/src/Mod/Part/App/TopoShapeVertexPy.xml
+++ b/src/Mod/Part/App/TopoShapeVertexPy.xml
@@ -38,6 +38,12 @@
 		  </Documentation>
 		  <Parameter Name="Point" Type="Object"/>
 	  </Attribute>
+		<Attribute Name="Tolerance">
+			<Documentation>
+				<UserDocu>Set or get the tolerance of the vertex</UserDocu>
+			</Documentation>
+			<Parameter Name="Tolerance" Type="Float"/>
+		</Attribute>
 		<Methode Name="setTolerance">
 			<Documentation>
 				<UserDocu>Set the tolerance for the vertex.</UserDocu>
diff --git a/src/Mod/Part/App/TopoShapeVertexPyImp.cpp b/src/Mod/Part/App/TopoShapeVertexPyImp.cpp
index 4a0741268..013a5167c 100644
--- a/src/Mod/Part/App/TopoShapeVertexPyImp.cpp
+++ b/src/Mod/Part/App/TopoShapeVertexPyImp.cpp
@@ -130,6 +130,19 @@ PyObject* TopoShapeVertexPy::setTolerance(PyObject *args)
     Py_Return;
 }
 
+Py::Float TopoShapeVertexPy::getTolerance(void) const
+{
+    const TopoDS_Vertex& v = TopoDS::Vertex(getTopoShapePtr()->_Shape);
+    return Py::Float(BRep_Tool::Tolerance(v));
+}
+
+void TopoShapeVertexPy::setTolerance(Py::Float tol)
+{
+    BRep_Builder aBuilder;
+    const TopoDS_Vertex& v = TopoDS::Vertex(getTopoShapePtr()->_Shape);
+    aBuilder.UpdateVertex(v, (double)tol);
+}
+
 Py::Float TopoShapeVertexPy::getX(void) const
 {
     const TopoDS_Vertex& v = TopoDS::Vertex(getTopoShapePtr()->_Shape);
diff --git a/src/Mod/Part/App/TopoShapeWirePy.xml b/src/Mod/Part/App/TopoShapeWirePy.xml
index d3a3780c8..21f6419d2 100644
--- a/src/Mod/Part/App/TopoShapeWirePy.xml
+++ b/src/Mod/Part/App/TopoShapeWirePy.xml
@@ -19,7 +19,12 @@
 			  <UserDocu>Offset the shape by a given ammount</UserDocu>
 		  </Documentation>
 	  </Methode>
-    <Methode Name="makeHomogenousWires">
+		<Methode Name="add">
+			<Documentation>
+				<UserDocu>Add an edge to the wire</UserDocu>
+			</Documentation>
+		</Methode>
+		<Methode Name="makeHomogenousWires">
         <Documentation>
             <UserDocu>Make this and the given wire homogenous to have the same number of edges</UserDocu>
         </Documentation>
diff --git a/src/Mod/Part/App/TopoShapeWirePyImp.cpp b/src/Mod/Part/App/TopoShapeWirePyImp.cpp
index 55bcb8b3e..839c75172 100644
--- a/src/Mod/Part/App/TopoShapeWirePyImp.cpp
+++ b/src/Mod/Part/App/TopoShapeWirePyImp.cpp
@@ -42,6 +42,7 @@
 #include "BSplineCurvePy.h"
 #include "TopoShape.h"
 #include "TopoShapeShellPy.h"
+#include "TopoShapeEdgePy.h"
 #include "TopoShapeWirePy.h"
 #include "TopoShapeWirePy.cpp"
 
@@ -135,6 +136,39 @@ int TopoShapeWirePy::PyInit(PyObject* args, PyObject* /*kwd*/)
     return -1;
 }
 
+PyObject* TopoShapeWirePy::add(PyObject *args)
+{
+    PyObject* edge;
+    if (!PyArg_ParseTuple(args, "O!",&(TopoShapePy::Type), &edge))
+        return 0;
+    const TopoDS_Wire& w = TopoDS::Wire(getTopoShapePtr()->_Shape);
+    BRepBuilderAPI_MakeWire mkWire(w);
+
+    const TopoDS_Shape& sh = static_cast<Part::TopoShapePy*>(edge)->getTopoShapePtr()->_Shape;
+    if (sh.IsNull()) {
+        PyErr_SetString(PyExc_TypeError, "given shape is invalid");
+        return 0;
+    }
+    if (sh.ShapeType() == TopAbs_EDGE)
+        mkWire.Add(TopoDS::Edge(sh));
+    else if (sh.ShapeType() == TopAbs_WIRE)
+        mkWire.Add(TopoDS::Wire(sh));
+    else {
+        PyErr_SetString(PyExc_TypeError, "shape is neither edge nor wire");
+        return 0;
+    }
+
+    try {
+        getTopoShapePtr()->_Shape = mkWire.Wire();
+        Py_Return;
+    }
+    catch (Standard_Failure) {
+        Handle_Standard_Failure e = Standard_Failure::Caught();
+        PyErr_SetString(PyExc_Exception, e->GetMessageString());
+        return 0;
+    }
+}
+
 PyObject* TopoShapeWirePy::makeOffset(PyObject *args)
 {
     float dist;