It took a while, but I reckon I'll be enjoying the result long after I forgot about all the effort.
Ondra, thank you! I may need to come calling one day!
Here is the result after unmasking, polishing, and a light coat of Mr Surfacer. Some of the ribs still need a little tweaking, but getting this far is a huge milestone.
And a quick pic with the pieces dry fitted and the wings slotted back into place. I should paint it yellow and call it a canary! :lol: