The Origami Bird Base is the starting point for many popular origami models such as the crane and flapping bird. Hence why it is called the Bird Base. Therefore, it is important to master this fold.
Download the PDF version of these instructions: BirdBase-Origami-Diagram.pdf
Download the DWG version of these instructions: BirdBase-Origami-Diagram.dwg
Download the CTB file for printing the DWG version: OrigamiPlotStyle.ctb