diff --git a/lib/plot.py b/lib/plot.py
index 8117aff..db44e8d 100644
--- a/lib/plot.py
+++ b/lib/plot.py
@@ -75,30 +75,30 @@ class Paper:
     def top_left(self, honour_margins=True):
         if honour_margins:
             return np.array([self.margins['left'],
-                             self.height - self.margins['top']])
+                             self.margins['top']])
         else:
-            return np.array([0, self.height])
+            return np.array([0, 0])
 
     def bottom_left(self, honour_margins=True):
         if honour_margins:
             return np.array([self.margins['left'],
-                             self.margins['bottom']])
+                             self.height - self.margins['bottom']])
         else:
-            return np.array([0, 0])
+            return np.array([0, self.height])
 
     def top_right(self, honour_margins=True):
         if honour_margins:
             return np.array([self.width - self.margins['right'],
-                             self.height - self.margins['top']])
+                             self.margins['top']])
         else:
-            return np.array([self.width, self.height])
+            return np.array([self.width, 0])
 
     def bottom_right(self, honour_margins=True):
         if honour_margins:
             return np.array([self.width - self.margins['right'],
-                             self.margins['bottom']])
+                             self.height - self.margins['bottom']])
         else:
-            return np.array([self.width, 0])
+            return np.array([self.width, self.height])
 
     def centre(self, honour_margins=True):
         return (self.bottom_left(honour_margins)