Here is a greeting card with an embedded flying bird folded from a single duo-color square.

Click on photo for diagrams.


April 1, 2020 - 11:11am FoldFreak

I wish I could find a way (with one sheet, no cuts or glue) to get rid of the big gap caused by making the squash fold that makes the bird. It would make the card much better-looking, and there would be more space to write in it.