This easy origami dagger is simple to make. A special folding technique that you will learn from this model is squash-fold.

This easy origami sword is is a longer version of easy origami dagger. A special folding technique that you will learn from this model is squash-fold. Overall it is very similar to easy origami dagger in folding method

This paper sword starts from a diagonal matrix base. One difficulty in this model is that you need to apply a crease pattern after making a diagonal matrix base. If you want the front and back sides to be the same, you can make two swords and glue them together.