Joints for action figures ( Bolt less ver. )

Several days ago, I had upload "Joints for action figures ( need bolts )".

And now I designed boltless version ;) Using bolts is more convenient, but this one does not require any bolt. (only a lot of time and effort )

The ball diameter is 16mm and horns are 6mm.
Additional supports are not needed.

Print this model and remove supports.
Sand uneven surfaces.
Then, assemble them, put pin parts into the ball, and slap it ;P
If it is hard to insert, grind pin little a bit. It's