diff --git a/mobject/mobject.py b/mobject/mobject.py
index 6129017e..ec1ff7c3 100644
--- a/mobject/mobject.py
+++ b/mobject/mobject.py
@@ -384,6 +384,10 @@ class Mobject(object):
         self.shift(mobject.get_center() - self.get_center())
         return self
 
+    def surround(self, mobject, dim_to_match = 0, stretch = False, buffer_factor = 1.2):
+        self.replace(mobject, dim_to_match, stretch)
+        self.scale_in_place(buffer_factor)
+
     def position_endpoints_on(self, start, end):
         curr_vect = self.points[-1] - self.points[0]
         if np.all(curr_vect == 0):
diff --git a/topics/geometry.py b/topics/geometry.py
index 70f5ff7a..dfa85257 100644
--- a/topics/geometry.py
+++ b/topics/geometry.py
@@ -47,6 +47,13 @@ class Circle(Arc):
     def __init__(self, **kwargs):
         Arc.__init__(self, 2*np.pi, **kwargs)
 
+    def surround(self, mobject, dim_to_match = 0, stretch = False, buffer_factor = 1.2):
+        # Ignores dim_to_match and stretch; result will always be a circle
+        # TODO: Perhaps create an ellipse class to handle singele-dimension stretching
+        self.replace(mobject, dim_to_match, stretch)
+        self.scale_to_fit_width(np.sqrt(mobject.get_width()**2 + mobject.get_height()**2))
+        self.scale(buffer_factor)
+
 class Dot(Circle):
     CONFIG = {
         "radius"       : 0.08,