diff --git a/FlatCAMApp.py b/FlatCAMApp.py
index 164f751..b2e8d56 100644
--- a/FlatCAMApp.py
+++ b/FlatCAMApp.py
@@ -434,7 +434,7 @@ class App(QtCore.QObject):
                      lambda: self.worker_task.emit({'fcn': self.version_check,
                                                     'params': [],
                                                     'worker_name': "worker2"}))
-        self.thr2.start()
+        # self.thr2.start()
 
         ### Signal handling ###
         ## Custom signals
diff --git a/FlatCAMObj.py b/FlatCAMObj.py
index 9c2dae9..cd1fe23 100644
--- a/FlatCAMObj.py
+++ b/FlatCAMObj.py
@@ -668,6 +668,7 @@ class FlatCAMGerber(FlatCAMObj, Gerber):
             for poly in geometry:
                 # TODO: Too many things hardcoded.
                 try:
+                    poly = poly.simplify(TOLERANCE)
                     patch = PolygonPatch(poly,
                                          facecolor="#BBF268",
                                          edgecolor="#006E20",
@@ -679,6 +680,7 @@ class FlatCAMGerber(FlatCAMObj, Gerber):
                     FlatCAMApp.App.log.warning(str(poly))
         else:
             for poly in geometry:
+                poly = poly.simplify(TOLERANCE)
                 x, y = poly.exterior.xy
                 self.axes.plot(x, y, linespec)
                 for ints in poly.interiors: