This is the Crow Crossbow from the video game Grounded. There are two versions, with and without holes for a string attachment (I decided that a string would be too fine to be included in the printed file).

This 3D printable file isn't endorsed by Obsidian Entertainment, Inc. and doesn't reflect the views or opinions of Obsidian Entertainment, Inc. or anyone officially involved with making the Crow Crossbow. The Crow Crossbow and Obsidian Entertainment and all related logos are trademarks or registered trademarks of Obsidian Entertainment, Inc.