This is the Starfury sword found on cloud islands. They fire stars wherever you tap and they deal quite a bit of melee damage. The only decent picture i could find was a little bit old so it looks a little bit different, But if you enjoy and play terraria you will have likely seen one yourself.
How to Print?
1.Click on the papercraft design image.
2.Make sure it has not been resized by your browser (you might need to click the image again).
3.Print using your browser's Print function.