Provided are a device and a method of generating printing information. The method includes acquiring at least one image part by splitting a basic image acquired based on a user input; determining a target article corresponding to the basic image from a three-dimensional (3D) article list stored in a database (DB) by using the at least one image part; providing a graphical user interface (GUI) capable of editing a shape of the target article according to a user input; and editing the shape of the target article, based on a user input via the GUI, and generating printing information used to 3D print the edited target article.