diff --git a/invesalius/data/surface.py b/invesalius/data/surface.py
index a1fed26..d97e028 100644
--- a/invesalius/data/surface.py
+++ b/invesalius/data/surface.py
@@ -533,11 +533,6 @@ class SurfaceManager():
         #  polydata.SetSource(None)
         del polydata_append
 
-        w = vtk.vtkPLYWriter()
-        w.SetInputData(polydata)
-        w.SetFileName('/home/tfmoraes/Meshes/PLY/0051_bin.ply')
-        w.Write()
-
         if algorithm == 'ca_smoothing':
             normals = vtk.vtkPolyDataNormals()
             normals_ref = weakref.ref(normals)
diff --git a/invesalius/gui/dialogs.py b/invesalius/gui/dialogs.py
index d000e05..451a4c1 100644
--- a/invesalius/gui/dialogs.py
+++ b/invesalius/gui/dialogs.py
@@ -1276,7 +1276,7 @@ class CAOptions(wx.Panel):
                                          max_val=100.0, increment=0.1,
                                          digits=2)
 
-        self.min_weight = floatspin.FloatSpin(self, -1, value=0.2, min_val=0.0,
+        self.min_weight = floatspin.FloatSpin(self, -1, value=0.5, min_val=0.0,
                                          max_val=1.0, increment=0.1,
                                          digits=1)
 
diff --git a/setup.py b/setup.py
index 44f6924..cc05315 100644
--- a/setup.py
+++ b/setup.py
@@ -56,6 +56,11 @@ elif sys.platform == 'win32':
                                  Extension("invesalius.data.floodfill", ["invesalius/data/floodfill.pyx"],
                                            include_dirs=[numpy.get_include()],
                                            language='c++',),
+
+                                 Extension("invesalius.data.cy_mesh", ["invesalius/data/cy_mesh.pyx"],
+                                           include_dirs=[numpy.get_include()],
+                                           extra_compile_args=['/openmp',],
+                                           language='c++',),
                                  ])
     )
 
@@ -81,5 +86,12 @@ else:
                                  Extension("invesalius.data.floodfill", ["invesalius/data/floodfill.pyx"],
                                            include_dirs=[numpy.get_include()],
                                            language='c++',),
+
+                                 Extension("invesalius.data.cy_mesh", ["invesalius/data/cy_mesh.pyx"],
+                                           include_dirs=[numpy.get_include()],
+                                           extra_compile_args=['-fopenmp', '-std=c++11'],
+                                           extra_link_args=['-fopenmp', '-std=c++11'],
+                                           language='c++',),
+
                                  ])
     )
--
libgit2 0.21.2