Thanks for the share @universalist. In fact, I really don’t have overhangs problem with Fairphone cases and my Replicator2. Pretty happy with overhangs in general.
My problem with Fairphone cases is more about retraction and finishing.
One more point, I use Simplify3D, which is pretty simple to use when dealing with overhangs. You can just set automatic settings depending on angle and length, but you can also place / remove supports just with one click.