Abstract: A three-dimensional model cutting method and an electronic apparatus are provided. The method includes: displaying a three-dimensional model; receiving a first user input performed on the three-dimensional model; generating a first vector and a second vector based on a first coordinate point resulting from the first user input performed on the three-dimensional model, wherein the first and second vectors are perpendicular to each other and intersect at the first coordinate point; extending the first vector to form a cutting line and cutting the three-dimensional model based on the cutting line to form a first partial model on a first side of the cutting line and a second partial model on a second side of the cutting line, wherein the first side is in a direction of the second vector, and the second side is in an opposite direction; and removing the first partial model and retaining the second partial model.

Abstract: A three-dimensional model cutting method and an electronic apparatus are provided. The method includes: displaying a three-dimensional model; receiving a first user input performed on the three-dimensional model; generating a first vector and a second vector based on a first coordinate point resulting from the first user input performed on the three-dimensional model, wherein the first and second vectors are perpendicular to each other and intersect at the first coordinate point; extending the first vector to form a cutting line and cutting the three-dimensional model based on the cutting line to form a first partial model on a first side of the cutting line and a second partial model on a second side of the cutting line, wherein the first side is in a direction of the second vector, and the second side is in an opposite direction; and removing the first partial model and retaining the second partial model.

Abstract: A three-dimensional printing apparatus and a method for controlling printing head thereof are provided. The method is used for controlling a moving path of a printing head of the three-dimensional printing apparatus and the method includes following steps. The printing head is controlled to form a layer object on a carrying surface according to three-dimensional model information. It is determined whether a cross-section parameter of the layer object is match to a small range condition. If the cross-section parameter of the layer object is match to the small range condition, the printing head is controlled to move toward a first direction far away from layer object according to position information of the layer object. The printing head is controlled to move toward a second direction close to the layer object.

Abstract: A method and a device for composing three-dimension model are provided, and the method includes following steps. A base model is set. At least one symbol model is selected from a candidate database according to a symbol string. The symbol string includes the symbols arranged in sequence, and the at least one symbol is respectively associated with the at least one symbol model. The base model and the symbol models are analyzed so as to obtain space location information of the symbol models relative to the base model. The symbol models are composed with the base model according to the space location information so as to build up a three-dimension model associated to an object.