Ball and Socket Joint - all in one print. Test object for dissolvable supports

I was looking for an object today that would be a good application of using dissolvable supports in Simplify 3D. I didn't seen anything that interested me, so I decided to model something on my lunch hour.

It doesn't serve any particular function - even though it looks like it might. The thread on top is M8'ish - although I won't guarantee the accuracy. The clearance between the ball and the socket is exactly 0.4mm all around.

After lunch I tried to slice it in Simplify 3D, but I cou