Black Bird Crest paper version by @andrpodo (Andre Podolsky)

This illustrates how the picture was completed. Only half of it was drawn up, so that the other can be mirrored exactly. I used photoshop's PATHS to create the shape in the computer, and mirrored those, filled with with colour, and the rest is history. Same goes for the Circuit Sword and Alien Cross (or whatever you want to call that one).