diff --git a/typetapper/hierarchy_graph_view.py b/typetapper/hierarchy_graph_view.py
index f04a069..66f2237 100644
--- a/typetapper/hierarchy_graph_view.py
+++ b/typetapper/hierarchy_graph_view.py
@@ -86,6 +86,8 @@ class HierarchicalGraphWidget(QZoomableDraggableGraphicsView):
         self.layout_prog = 'neato'
         self.layout_social_distancing = 200 / DPI
         self.layout_overlap = 'vpsc'
+        self.layout_damping = 0.5
+        self.layout_mode = 'major'
 
         self._labels = {}
         self.ng = None
@@ -361,6 +363,8 @@ class HierarchicalGraphWidget(QZoomableDraggableGraphicsView):
                 self.ag.graph_attr['maxiter'] = maxiter
                 self.ag.graph_attr['normalize'] = 'false'
                 self.ag.graph_attr['inputscale'] = '0'
+                self.ag.graph_attr['Damping'] = self.layout_damping if maxiter == 1 else '0.99'
+                self.ag.graph_attr['mode'] = self.layout_mode
                 self.ag._layout(self.layout_prog)
 
                 for node in self.ag.nodes_iter():
@@ -753,7 +757,7 @@ class HGExtern(HGNode):
 
     def shape(self) -> QPainterPath:
         result = QPainterPath()
-        result.addEllipse(0, 0, self.radius*2, self.radius*2)
+        result.addEllipse(-self.radius, -self.radius, self.radius*2, self.radius*2)
         return result
 
     def paint(self, painter, option, widget=...):