A whole day of priming the remaining parts.
Countersinking the holes for the 2.4 mm rivets that hold the nutplates where the canopy-rails attach to:
The aluminium parts are protected by either a blue or transparent plastic. The blue one is super easy to remove, the transparent plastic is a bit more difficult. But this piece was annoying; the plastic only came loose in small pieces and left quite some adhesive behind, almost 1 hour of work: