diff --git a/OCCUtils/Common.py b/OCCUtils/Common.py
index 62597a6..357580c 100644
--- a/OCCUtils/Common.py
+++ b/OCCUtils/Common.py
@@ -19,30 +19,30 @@
 
 import random
 
-from OCC.Core.Bnd import Bnd_Box
-from OCC.Core.BRepBndLib import brepbndlib_Add
-from OCC.Core.TColgp import (TColgp_HArray1OfPnt,
+from OCC.Bnd import Bnd_Box
+from OCC.BRepBndLib import brepbndlib_Add
+from OCC.TColgp import (TColgp_HArray1OfPnt,
                              TColgp_Array1OfPnt,
                              TColgp_Array1OfPnt2d,
                              TColgp_Array1OfVec)
-from OCC.Core.TColStd import TColStd_HArray1OfBoolean
-from OCC.Core.BRepAdaptor import (BRepAdaptor_Curve, BRepAdaptor_HCurve,
+from OCC.TColStd import TColStd_HArray1OfBoolean
+from OCC.BRepAdaptor import (BRepAdaptor_Curve, BRepAdaptor_HCurve,
                                   BRepAdaptor_CompCurve, BRepAdaptor_HCompCurve)
-from OCC.Core.GeomAPI import (GeomAPI_Interpolate, GeomAPI_PointsToBSpline,
+from OCC.GeomAPI import (GeomAPI_Interpolate, GeomAPI_PointsToBSpline,
                               GeomAPI_ProjectPointOnCurve)
-from OCC.Core.gp import gp_Pnt, gp_Vec, gp_Trsf
-from OCC.Core.BRepBuilderAPI import BRepBuilderAPI_Transform
-from OCC.Core.TopoDS import TopoDS_Edge, TopoDS_Shape, TopoDS_Wire, TopoDS_Vertex
-from OCC.Core.Quantity import Quantity_Color, Quantity_TOC_RGB
-from OCC.Core.GProp import GProp_GProps
-from OCC.Core.GeomAbs import GeomAbs_C1, GeomAbs_C2, GeomAbs_C3
-from OCC.Core.BRepGProp import (brepgprop_LinearProperties,
+from OCC.gp import gp_Pnt, gp_Vec, gp_Trsf
+from OCC.BRepBuilderAPI import BRepBuilderAPI_Transform
+from OCC.TopoDS import TopoDS_Edge, TopoDS_Shape, TopoDS_Wire, TopoDS_Vertex
+from OCC.Quantity import Quantity_Color, Quantity_TOC_RGB
+from OCC.GProp import GProp_GProps
+from OCC.GeomAbs import GeomAbs_C1, GeomAbs_C2, GeomAbs_C3
+from OCC.BRepGProp import (brepgprop_LinearProperties,
                                 brepgprop_SurfaceProperties,
                                 brepgprop_VolumeProperties)
-from OCC.Core.GeomAdaptor import GeomAdaptor_Curve
-from OCC.Core.Geom import Geom_Curve
+from OCC.GeomAdaptor import GeomAdaptor_Curve
+from OCC.Geom import Geom_Curve
 
-from OCC.Core import Graphic3d
+from OCC import Graphic3d
 
 #===========================================================================
 # No PythonOCC dependencies...
@@ -286,7 +286,7 @@ def random_color():
 
 
 def common_vertex(edg1, edg2):
-    from OCC.Core.TopExp import topexp_CommonVertex
+    from OCC.TopExp import topexp_CommonVertex
     vert = TopoDS_Vertex()
     if topexp_CommonVertex(edg1, edg2, vert):
         return vert
@@ -339,8 +339,8 @@ def point_in_solid(solid, pnt, tolerance=1e-5):
 
     Returns: bool
     """
-    from OCC.Core.BRepClass3d import BRepClass3d_SolidClassifier
-    from OCC.Core.TopAbs import TopAbs_ON, TopAbs_OUT, TopAbs_IN
+    from OCC.BRepClass3d import BRepClass3d_SolidClassifier
+    from OCC.TopAbs import TopAbs_ON, TopAbs_OUT, TopAbs_IN
     _in_solid = BRepClass3d_SolidClassifier(solid, pnt, tolerance)
     print("State", _in_solid.State())
     if _in_solid.State() == TopAbs_ON:
@@ -512,7 +512,7 @@ def minimum_distance(shp1, shp2):
 def vertex2pnt(vertex):
     '''returns a gp_Pnt from a TopoDS_Vertex
     '''
-    from OCC.Core.BRep import BRep_Tool
+    from OCC.BRep import BRep_Tool
     return BRep_Tool.Pnt(vertex)
 
 
diff --git a/OCCUtils/Construct.py b/OCCUtils/Construct.py
index b3e0ba3..5096741 100644
--- a/OCCUtils/Construct.py
+++ b/OCCUtils/Construct.py
@@ -27,13 +27,13 @@
 import operator
 import math
 
-from OCC.Core.BRep import BRep_Tool
-from OCC.Core.BRepAdaptor import BRepAdaptor_HCurve
-from OCC.Core.BRepOffset import BRepOffset_Skin
+from OCC.BRep import BRep_Tool
+from OCC.BRepAdaptor import BRepAdaptor_HCurve
+from OCC.BRepOffset import BRepOffset_Skin
 from OCC.Geom import Geom_TrimmedCurve
 from OCC.GeomConvert import GeomConvert_ApproxCurve
 from OCC.GeomLProp import GeomLProp_SLProps
-from OCC.Core.BRepBuilderAPI import (BRepBuilderAPI_MakeFace,
+from OCC.BRepBuilderAPI import (BRepBuilderAPI_MakeFace,
                                 BRepBuilderAPI_Transform,
                                 BRepBuilderAPI_Sewing,
                                 BRepBuilderAPI_MakePolygon,
@@ -44,13 +44,13 @@
                                 BRepBuilderAPI_MakeEdge,
                                 BRepBuilderAPI_MakeVertex,
                                 BRepBuilderAPI_FindPlane)
-from OCC.Core.BRepPrimAPI import (BRepPrimAPI_MakeBox, BRepPrimAPI_MakePrism)
-from OCC.Core.BRepOffsetAPI import BRepOffsetAPI_MakeEvolved
+from OCC.BRepPrimAPI import (BRepPrimAPI_MakeBox, BRepPrimAPI_MakePrism)
+from OCC.BRepOffsetAPI import BRepOffsetAPI_MakeEvolved
 from OCC.GeomAbs import (GeomAbs_Arc, GeomAbs_C2, GeomAbs_C0, GeomAbs_Tangent,
                          GeomAbs_Intersection, GeomAbs_G1, GeomAbs_G2,
                          GeomAbs_C1)
-from OCC.Core.TopAbs import TopAbs_REVERSED
-from OCC.Core.TopoDS import (TopoDS_Wire, TopoDS_Solid, TopoDS_Vertex, TopoDS_Shape,
+from OCC.TopAbs import TopAbs_REVERSED
+from OCC.TopoDS import (TopoDS_Wire, TopoDS_Solid, TopoDS_Vertex, TopoDS_Shape,
                         TopoDS_Builder, TopoDS_Compound)
 from OCC.TColgp import TColgp_SequenceOfVec, TColgp_HArray1OfPnt
 from OCC.gp import (gp_Vec, gp_Pnt, gp_Dir, gp_Trsf, gp_Ax1, gp_Quaternion,
@@ -336,7 +336,7 @@ def make_evolved(spine, profile):
 
 
 def make_pipe(spine, profile):
-    from OCC.Core.BRepOffsetAPI import BRepOffsetAPI_MakePipe
+    from OCC.BRepOffsetAPI import BRepOffsetAPI_MakePipe
     pipe = BRepOffsetAPI_MakePipe(spine, profile)
     with assert_isdone(pipe, 'failed building pipe'):
         pipe.Build()
@@ -360,7 +360,7 @@ def make_offset_shape(shapeToOffset, offsetDistance, tolerance=TOLERANCE,
     builds an offsetted shell from a shape
     construct an offsetted version of the shape
     '''
-    from OCC.Core.BRepOffsetAPI import BRepOffsetAPI_MakeOffsetShape
+    from OCC.BRepOffsetAPI import BRepOffsetAPI_MakeOffsetShape
     try:
         offset = BRepOffsetAPI_MakeOffsetShape(shapeToOffset,
                                                offsetDistance,
@@ -392,7 +392,7 @@ def make_offset(wire_or_face, offsetDistance, altitude=0, joinType=GeomAbs_Arc):
     note: a shape that has a negative offsetDistance will return
     a sharp corner
     '''
-    from OCC.Core.BRepOffsetAPI import BRepOffsetAPI_MakeOffset
+    from OCC.BRepOffsetAPI import BRepOffsetAPI_MakeOffset
     _joints = [GeomAbs_Arc, GeomAbs_Tangent, GeomAbs_Intersection]
     assert joinType in _joints, '%s is not one of %s' % (joinType, _joints)
     try:
@@ -407,7 +407,7 @@ def make_offset(wire_or_face, offsetDistance, altitude=0, joinType=GeomAbs_Arc):
 
 
 def make_loft(elements, ruled=False, tolerance=TOLERANCE, continuity=GeomAbs_C2, check_compatibility=True):
-    from OCC.Core.BRepOffsetAPI import BRepOffsetAPI_ThruSections
+    from OCC.BRepOffsetAPI import BRepOffsetAPI_ThruSections
     sections = BRepOffsetAPI_ThruSections(False, ruled, tolerance)
     for i in elements:
         if isinstance(i, TopoDS_Wire):
@@ -427,7 +427,7 @@ def make_loft(elements, ruled=False, tolerance=TOLERANCE, continuity=GeomAbs_C2,
 
 
 def make_ruled(edgeA, edgeB):
-    from OCC.Core.BRepFill import brepfill_Face
+    from OCC.BRepFill import brepfill_Face
     return brepfill_Face(edgeA, edgeB)
 
 
@@ -461,7 +461,7 @@ def make_oriented_box(v_corner, v_x, v_y, v_z):
     :param v_z: gp_Vec that describes the Z-axis
     :return: TopoDS_Solid
     """
-    from OCC.Core.BRepOffsetAPI import BRepOffsetAPI_MakePipe
+    from OCC.BRepOffsetAPI import BRepOffsetAPI_MakePipe
     verts = map(lambda x: x.as_pnt(), [v_corner, v_corner+v_x, v_corner+v_x+v_y, v_corner+v_y])
     p = make_polygon(verts, closed=True)
     li = make_line(v_corner.as_pnt(), (v_corner+v_z).as_pnt())
@@ -508,7 +508,7 @@ def make_n_sided(edges, points, continuity=GeomAbs_C0):
     :param continuity: GeomAbs_0, 1, 2
     :return: TopoDS_Face
     """
-    from OCC.Core.BRepFill import BRepFill_Filling
+    from OCC.BRepFill import BRepFill_Filling
     n_sided = BRepFill_Filling()
     for edg in edges:
         n_sided.Add(edg, continuity)
@@ -520,8 +520,8 @@ def make_n_sided(edges, points, continuity=GeomAbs_C0):
 
 
 def make_n_sections(edges):
-    from OCC.Core.TopTools import TopTools_SequenceOfShape
-    from OCC.Core.BRepFill import BRepFill_NSections
+    from OCC.TopTools import TopTools_SequenceOfShape
+    from OCC.BRepFill import BRepFill_NSections
     seq = TopTools_SequenceOfShape()
     for i in edges:
         seq.Append(i)
@@ -550,7 +550,7 @@ def make_constrained_surface_from_edges(edges):
     DOESNT RESPECT BOUNDARIES
     '''
     from OCC.GeomPlate import GeomPlate_MakeApprox, GeomPlate_BuildPlateSurface
-    from OCC.Core.BRepFill import BRepFill_CurveConstraint
+    from OCC.BRepFill import BRepFill_CurveConstraint
     bpSrf = GeomPlate_BuildPlateSurface(3, 15, 2)
     for edg in edges:
         c = BRepAdaptor_HCurve()
@@ -606,7 +606,7 @@ def sew_shapes(shapes, tolerance=0.001):
 
 
 def boolean_cut(shapeToCutFrom, cuttingShape):
-    from OCC.Core.BRepAlgoAPI import BRepAlgoAPI_Cut
+    from OCC.BRepAlgoAPI import BRepAlgoAPI_Cut
     try:
         cut = BRepAlgoAPI_Cut(shapeToCutFrom, cuttingShape)
         print("Can work?", cut.BuilderCanWork())
@@ -631,7 +631,7 @@ def boolean_cut(shapeToCutFrom, cuttingShape):
 
 
 def boolean_fuse(shapeToCutFrom, joiningShape):
-    from OCC.Core.BRepAlgoAPI import BRepAlgoAPI_Fuse
+    from OCC.BRepAlgoAPI import BRepAlgoAPI_Fuse
     join = BRepAlgoAPI_Fuse(shapeToCutFrom, joiningShape)
     join.RefineEdges()
     join.FuseEdges()
@@ -766,7 +766,7 @@ def rotate(brep, axe, degree, copy=False):
 
 
 def face_normal(face):
-    from OCC.Core.BRepTools import breptools_UVBounds
+    from OCC.BRepTools import breptools_UVBounds
     umin, umax, vmin, vmax = breptools_UVBounds(face)
     surf = BRep_Tool().Surface(face)
     props = GeomLProp_SLProps(surf, (umin+umax)/2., (vmin+vmax)/2., 1, TOLERANCE)
diff --git a/OCCUtils/Topology.py b/OCCUtils/Topology.py
index 72affeb..7a20b0f 100644
--- a/OCCUtils/Topology.py
+++ b/OCCUtils/Topology.py
@@ -21,17 +21,17 @@
 
 __all__ = ['Topo', 'WireExplorer', 'dumpTopology']
 
-from OCC.Core.BRep import BRep_Tool
+from OCC.BRep import BRep_Tool
 
-from OCC.Core.BRepTools import BRepTools_WireExplorer
-from OCC.Core.TopAbs import (TopAbs_VERTEX, TopAbs_EDGE, TopAbs_FACE, TopAbs_WIRE,
+from OCC.BRepTools import BRepTools_WireExplorer
+from OCC.TopAbs import (TopAbs_VERTEX, TopAbs_EDGE, TopAbs_FACE, TopAbs_WIRE,
                         TopAbs_SHELL, TopAbs_SOLID, TopAbs_COMPOUND,
                         TopAbs_COMPSOLID)
-from OCC.Core.TopExp import TopExp_Explorer, topexp_MapShapesAndAncestors
-from OCC.Core.TopTools import (TopTools_ListOfShape,
+from OCC.TopExp import TopExp_Explorer, topexp_MapShapesAndAncestors
+from OCC.TopTools import (TopTools_ListOfShape,
                           TopTools_ListIteratorOfListOfShape,
                           TopTools_IndexedDataMapOfShapeListOfShape)
-from OCC.Core.TopoDS import (topods, TopoDS_Wire, TopoDS_Vertex, TopoDS_Edge,
+from OCC.TopoDS import (topods, TopoDS_Wire, TopoDS_Vertex, TopoDS_Edge,
                         TopoDS_Face, TopoDS_Shell, TopoDS_Solid,
                         TopoDS_Compound, TopoDS_CompSolid, topods_Edge,
                         topods_Vertex, TopoDS_Iterator)
diff --git a/OCCUtils/base.py b/OCCUtils/base.py
index 896dc6a..e63d139 100644
--- a/OCCUtils/base.py
+++ b/OCCUtils/base.py
@@ -37,11 +37,11 @@
 
 import functools
 
-from OCC.Core.BRepBuilderAPI import BRepBuilderAPI_Copy
-from OCC.Core.BRepGProp import (brepgprop_VolumeProperties,
+from OCC.BRepBuilderAPI import BRepBuilderAPI_Copy
+from OCC.BRepGProp import (brepgprop_VolumeProperties,
                                 brepgprop_LinearProperties,
                                 brepgprop_SurfaceProperties)
-from OCC.Core.BRepCheck import (BRepCheck_Vertex, BRepCheck_Edge, BRepCheck_Wire,
+from OCC.BRepCheck import (BRepCheck_Vertex, BRepCheck_Edge, BRepCheck_Wire,
                                 BRepCheck_Face, BRepCheck_Shell, BRepCheck_Analyzer)
 from OCC.GProp import GProp_GProps
 from OCC.Display.SimpleGui import init_display
diff --git a/OCCUtils/edge.py b/OCCUtils/edge.py
index 13f3c3b..825976f 100644
--- a/OCCUtils/edge.py
+++ b/OCCUtils/edge.py
@@ -15,20 +15,20 @@
 ##You should have received a copy of the GNU Lesser General Public License
 ##along with pythonOCC.  If not, see <http://www.gnu.org/licenses/>
 
-from OCC.Core.BRepAdaptor import BRepAdaptor_Curve, BRepAdaptor_HCurve
+from OCC.BRepAdaptor import BRepAdaptor_Curve, BRepAdaptor_HCurve
 from OCC.GCPnts import GCPnts_UniformAbscissa
 from OCC.Geom import Geom_OffsetCurve, Geom_TrimmedCurve
-from OCC.Core.TopExp import topexp
-from OCC.Core.TopoDS import TopoDS_Edge, TopoDS_Vertex, TopoDS_Face
+from OCC.TopExp import topexp
+from OCC.TopoDS import TopoDS_Edge, TopoDS_Vertex, TopoDS_Face
 from OCC.gp import gp_Vec, gp_Dir, gp_Pnt
 from OCC.GeomLProp import GeomLProp_CurveTool
-from OCC.Core.BRepLProp import BRepLProp_CLProps
+from OCC.BRepLProp import BRepLProp_CLProps
 from OCC.GeomLib import geomlib
 from OCC.GCPnts import GCPnts_AbscissaPoint
 from OCC.GeomAPI import GeomAPI_ProjectPointOnCurve
 from OCC.ShapeAnalysis import ShapeAnalysis_Edge
-from OCC.Core.BRep import BRep_Tool, BRep_Tool_Continuity
-from OCC.Core.BRepIntCurveSurface import BRepIntCurveSurface_Inter
+from OCC.BRep import BRep_Tool, BRep_Tool_Continuity
+from OCC.BRepIntCurveSurface import BRepIntCurveSurface_Inter
 
 # high-level
 from OCCUtils.Common import vertex2pnt, minimum_distance, assert_isdone, fix_continuity
@@ -457,7 +457,7 @@ def show(self):
 
 
 if __name__ == '__main__':
-    from OCC.Core.BRepPrimAPI import BRepPrimAPI_MakeBox
+    from OCC.BRepPrimAPI import BRepPrimAPI_MakeBox
     from OCCUtils.Topology import Topo
     b = BRepPrimAPI_MakeBox(10, 20, 30).Shape()
     t = Topo(b)
diff --git a/OCCUtils/face.py b/OCCUtils/face.py
index 9c8571f..7449910 100644
--- a/OCCUtils/face.py
+++ b/OCCUtils/face.py
@@ -15,17 +15,17 @@
 ##You should have received a copy of the GNU Lesser General Public License
 ##along with pythonOCC.  If not, see <http://www.gnu.org/licenses/>
 
-from OCC.Core.BRep import BRep_Tool_Surface, BRep_Tool
-from OCC.Core.BRepTopAdaptor import BRepTopAdaptor_FClass2d
+from OCC.BRep import BRep_Tool_Surface, BRep_Tool
+from OCC.BRepTopAdaptor import BRepTopAdaptor_FClass2d
 from OCC.Geom import Geom_Curve
 from OCC.GeomAPI import GeomAPI_ProjectPointOnSurf
 from OCC.GeomLib import GeomLib_IsPlanarSurface
-from OCC.Core.TopAbs import TopAbs_IN
-from OCC.Core.TopExp import topexp
-from OCC.Core.TopoDS import TopoDS_Vertex, TopoDS_Face, TopoDS_Edge
+from OCC.TopAbs import TopAbs_IN, TopAbs_ON, TopAbs_OUT
+from OCC.TopExp import topexp
+from OCC.TopoDS import TopoDS_Vertex, TopoDS_Face, TopoDS_Edge
 from OCC.GeomLProp import GeomLProp_SLProps
-from OCC.Core.BRepTools import breptools_UVBounds
-from OCC.Core.BRepAdaptor import BRepAdaptor_Surface, BRepAdaptor_HSurface
+from OCC.BRepTools import breptools_UVBounds
+from OCC.BRepAdaptor import BRepAdaptor_Surface, BRepAdaptor_HSurface
 from OCC.ShapeAnalysis import ShapeAnalysis_Surface
 from OCC.GeomProjLib import geomprojlib
 from OCC.Adaptor3d import Adaptor3d_IsoCurve
@@ -283,9 +283,9 @@ def on_trimmed(self, u, v):
         '''tests whether the surface at the u,v parameter has been trimmed
         '''
         if self._classify_uv is None:
-            self._classify_uv = BRepTopAdaptor_FClass2d(self, 1e-9)
+            self._classify_uv = BRepTopAdaptor_FClass2d(self, 1e-9)##1e-9
         uv = gp_Pnt2d(u, v)
-        if self._classify_uv.Perform(uv) == TopAbs_IN:
+        if self._classify_uv.Perform(uv) == TopAbs_IN:#IN
             return True
         else:
             return False
@@ -379,7 +379,7 @@ def __str__(self):
         return self.__repr__()
 
 if __name__ == "__main__":
-    from OCC.Core.BRepPrimAPI import BRepPrimAPI_MakeSphere
+    from OCC.BRepPrimAPI import BRepPrimAPI_MakeSphere
     sph = BRepPrimAPI_MakeSphere(1, 1).Face()
     fc = Face(sph)
     print(fc.is_trimmed())
diff --git a/OCCUtils/shell.py b/OCCUtils/shell.py
index 99434c3..78ac7f4 100644
--- a/OCCUtils/shell.py
+++ b/OCCUtils/shell.py
@@ -15,7 +15,7 @@
 ##You should have received a copy of the GNU Lesser General Public License
 ##along with pythonOCC.  If not, see <http://www.gnu.org/licenses/>
 
-from OCC.Core.TopoDS import TopoDS_Shell
+from OCC.TopoDS import TopoDS_Shell
 from OCC.ShapeAnalysis import ShapeAnalysis_Shell
 
 from OCCUtils.Topology import Topo
diff --git a/OCCUtils/solid.py b/OCCUtils/solid.py
index d80df0a..bf4605e 100644
--- a/OCCUtils/solid.py
+++ b/OCCUtils/solid.py
@@ -15,7 +15,7 @@
 ##You should have received a copy of the GNU Lesser General Public License
 ##along with pythonOCC.  If not, see <http://www.gnu.org/licenses/>
 
-from OCC.Core.TopoDS import TopoDS_Solid
+from OCC.TopoDS import TopoDS_Solid
 
 from OCCUtils.Topology import Topo
 from OCCUtils.base import GlobalProperties, BaseObject
diff --git a/OCCUtils/types_lut.py b/OCCUtils/types_lut.py
index 4541bd3..394abd7 100644
--- a/OCCUtils/types_lut.py
+++ b/OCCUtils/types_lut.py
@@ -15,11 +15,11 @@
 ##You should have received a copy of the GNU Lesser General Public License
 ##along with pythonOCC.  If not, see <http://www.gnu.org/licenses/>
 
-from OCC.Core.BRepCheck import *
+from OCC.BRepCheck import *
 from OCC.GeomAbs import *
-from OCC.Core.TopoDS import topods, TopoDS_Shape
-from OCC.Core.BRep import BRep_Tool_Surface
-from OCC.Core.TopAbs import *
+from OCC.TopoDS import topods, TopoDS_Shape
+from OCC.BRep import BRep_Tool_Surface
+from OCC.TopAbs import *
 from OCC.Geom import Handle_Geom_CylindricalSurface, Handle_Geom_Plane
 
 
diff --git a/OCCUtils/vertex.py b/OCCUtils/vertex.py
index edfd053..953a5db 100644
--- a/OCCUtils/vertex.py
+++ b/OCCUtils/vertex.py
@@ -16,7 +16,7 @@
 ##along with pythonOCC.  If not, see <http://www.gnu.org/licenses/>
 
 from OCC.gp import gp_Pnt, gp_Vec, gp_Dir, gp_XYZ, gp_Pnt2d
-from OCC.Core.TopoDS import TopoDS_Vertex
+from OCC.TopoDS import TopoDS_Vertex
 from OCC.ShapeBuild import ShapeBuild_ReShape
 
 from OCCUtils.base import BaseObject
diff --git a/OCCUtils/wire.py b/OCCUtils/wire.py
index 20ed5ca..49ffdda 100644
--- a/OCCUtils/wire.py
+++ b/OCCUtils/wire.py
@@ -17,7 +17,7 @@
 ##You should have received a copy of the GNU Lesser General Public License
 ##along with pythonOCC.  If not, see <http://www.gnu.org/licenses/>
 
-from OCC.Core.TopoDS import TopoDS_Wire
+from OCC.TopoDS import TopoDS_Wire
 
 from OCCUtils.base import BaseObject