Update 3d.rst (#680)

kolibril13 · web-flow · commit 54ea87c85f0a · 2020-11-08T20:43:42.000-05:00
diff --git a/docs/source/examples/3d.rst b/docs/source/examples/3d.rst
@@ -1,8 +1,10 @@
 
 3D Scenes
 =================================
+
 .. manim:: FixedInFrameMObjectTest
     :save_last_frame:
+    
     class FixedInFrameMObjectTest(ThreeDScene):
         def construct(self):
             axes = ThreeDAxes()
