Deburring, deburring and more deburring. There is actually a fair number of parts in the 'seat rib'. The only deburring left to do is the bottom side of the belly skins. Then it is scuff the primed surfaces which is everything except the bottom of the belly (will be polished) and then dimple, clean and prime.
Here's everything except the skins laying next to the center section (gold piece)