Abstract: A method for printing a model for a 3D printer includes: perform a slicing process on an outer-frame object for generating multiple slicing-route files of multiple printing layers; perform the slicing process on a modeling object for generating multiple inkjet graphic files of the multiple printing layers; print a slicing object of one printing layer according to corresponding one of the slicing-route files; perform a filling process to the inside of the printed slicing object; perform a coloring process on the inside of the printed slicing object according to one of the inkjet graphic files corresponding to the same printing layer; and re-execute the above printing steps until all the printing layers are printed. The inside of the 3D model is colored via the inkjet graphic files generated after processing on the modeling object generating the visual effect that the modeling object is accommodated within the 3D model.

Abstract: The disclosure provides a 3D printing method and a 3D printing apparatus using the same. The 3D printing method includes the following steps: feeding a material using a printing parameter, wherein the printing parameter includes a target temperature and a target feeding rate; adjusting the printing parameter to change the heat energy provided to the printing filament per unit length; determining whether the target feeding rate matches the actual feeding rate according to the adjusted printing parameter to obtain a determination result; obtaining a correspondence relationship between the plurality of target temperatures and the plurality of target feeding rates according to the adjusted printing parameters and the determination results; and setting the printing parameter to print according to the obtained correspondence relationship.

Abstract: A liquid tank suitable for a three-dimensional printing device is provided. The liquid tank includes a tank body, at least one release thin film, and at least one identification portion. The tank body is configured for holding photosensitive resin and has a light transmissive bottom. The release thin film is located in the tank body and is attached to the light transmissive bottom. The identification portion is disposed at the release thin film and adapted to a reader of the three-dimensional printing device. The reader is configured to reads the identification portion, so as to obtain a usage record of the release thin film. A three-dimensional printing device is also provided.

Abstract: A covering structure for cable adaptable for connecting between a first and a second electronic modules that are electrically connected via a cable. When the first electronic module is pivoted relative to the second electronic module to be opened, a portion of the cable is exposed outside the first and the second electronic modules. The covering structure for cable includes a cover, a first shaft, and a second shaft. The first shaft is disposed on one side of the cover and pivoted to the first electronic module; the second shaft is disposed on an opposite side of the cover and pivoted to the second electronic module. The first electronic module is opened/closed relative to the second electronic module and drives the cover such that the cover covers a portion of the cable that is exposed outside the first and the second electronic modules when being opened.

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 method for assisting positioning and a movable electronic device thereof are provided. The method is adapted to the movable electronic device moving within a region. In the method, the region is divided into multiple sub-regions. When the movable electronic device enters a first sub-region among the sub-regions, at least one wireless signal emitted by at least one signal emitting source is received by the movable electronic device, so as to calculate first location information associated with the first sub-region according to the at least one wireless signal. Then, a reliability of the first sub-region is generated and recorded according to a signal reception condition of the at least one wireless signal.

Abstract: A three-dimensional (3D) printing method for forming a 3D object layer by layer is provided. The 3D printing method is applicable to a 3D printing apparatus having an input device, and includes: sequentially printing a plurality of layers of the 3D object; obtaining an adjustment signal through the input device when printing a layer of the plurality of layers, where the adjustment signal is used for adjusting a printing parameter; and adjusting the printing parameter for printing another layer of the plurality of layers in response to the obtained adjustment signal. In addition, a 3D printing apparatus using the 3D printing method is also provided.

Abstract: An inkjet method adapting to a three-dimensional printing device is provided. The inkjet method includes following steps: judging whether a first reference pixel value of a first reference pixel in a first reference image is greater than or equal to a preset threshold value to determine a first pixel value of a first pixel in a first inkjet image; generating a weight value corresponding to a second reference pixel according to number of the second reference pixel adjacent to the first reference pixel in the first reference image and a second reference image; and adjusting a second reference pixel value of the second reference pixel in the first reference image and the second reference image according to the first reference pixel value, the first pixel value, and the weight value. In addition, the above three-dimensional printing device is also provided.

Abstract: A three-dimensional (3D) printing method for printing a 3D object is provided. The 3D printing method is applicable to a 3D printing apparatus, and includes: sequentially executing a sequence of printing commands to print the 3D object; obtaining an adjustment signal during executing the printing commands, wherein the adjustment signal is used for adjusting a printing parameter; and adjusting the printing parameter in one of the printing commands in response to the obtained adjustment signal. In addition, a 3D printing apparatus using the 3D printing method is also provided.

Abstract: A three dimensional printing apparatus including a tank containing a liquid forming material, a platform movably disposed in the tank to be immersed in or moved out of the liquid forming material, a curing device disposed next to the tank or the platform, and a controlling device electrically connected to the curing device and at least one of the tank and the platform is provided. An inner bottom of the tank has a first portion and a second portion in step manner, the first portion is higher than the second portion. The controlling device drives the tank and the platform to move relative to each other. A solidified layer is formed by curing the liquid forming material between the platform and the first portion and peeled off by rotating the tank relative to the platform. A three dimensional printing method is also disclosed.

Abstract: A 3D printing method implemented by movable platform is disclosed. When printing a printing layer, a 3D printer first calculates respectively a starting point and an ending point of each swath of the printing layer, and calculates movement information of a movable printing platform upon an X-axis and a Y-axis of the 3D printer according to the starting points and the ending points. Next, the 3D printer controls the printing platform to move along the X-axis and the Y-axis based on the movement information, and controls a nozzle of the 3D printer to jet ink while the printing platform moves to corresponding positions. Therefore, the 3D printer uses the printing platform to complete printing actions of each swath.

Abstract: A 3D object generating apparatus includes an optical-transparent, a laser light generating module, and a controller. The laser light generating module includes a light emitter for outputting a spot beam, a polygon mirror, a flat-field convergent lens, and a flat-field optical sensor. The polygon mirror directs the spot beam into a linear beam. The flat-field convergent lens is positioned between the laser light generating module and the optical-transparent component, and a flat-field scanning route is formed after the linear beam passed through the flat-field convergence lens. The flat-field optical sensor is positioned on the flat-field scanning route senses an optical power of the linear beam and generates a sensed signal. The controller is electrically connected to the laser light generating module and the flat-field optical sensor, and receives the sensed signal and calibrates the optical power of the spot beam based on the sensed signal.

Abstract: A 3D printing apparatus including a 3D printing device, a VR display device, and a processing device is provided. The VR display device displays a VR image. The VR display device includes an input device. The input device receives an input signal and the input signal in response to selecting a virtual object in the VR image. The processing device obtains a generic model data corresponding to the virtual object based on the input signal. The processing device executes an edit module to edit a 3D model corresponding to the virtual object based on the generic model data. When the processing device outputs a plurality of layered data corresponding to the 3D model to the 3D printing device, the 3D printing device prints a 3D object corresponding to the 3D model based on the plurality of layered data. Moreover, a 3D printing method is also provided.

Abstract: A 3D printing device including a printing platform, a printing head, a sensor and a controller is provided. The printing platform includes a carrying surface. The printing head is disposed above the printing platform. The sensor is disposed above the printing platform. The controller is coupled to the printing head and the sensor. The sensor is used for analyzing a first layer slicing data of a 3D object to obtain a printing range. The controller operates the sensor to sense a plurality of sensing points corresponding to the printing range on the carrying surface of the printing platform, so as to obtain a plurality of sensing parameters corresponding to the sensing points. The controller determines whether the printing platform is inclined according to the sensing parameters. If yes, the controller determines an object shape of a compensation object according to the printing range and the sensing parameters.

Abstract: A 3D printer and a liquid level sensing method are provided. The 3D printer includes a tank and at least one capacitive sensing module for sensing a liquid level of the liquid forming material in the tank. The at least one capacitive sensing module includes a first electrode pair disposed beside the tank, and the first electrode pair is used for producing an electric field, where the electric field passes through the liquid forming material.

Abstract: A calibration method of a three-dimensional printing apparatus for calibrating a printing platform of the three-dimensional printing apparatus is provided. When a test piece is installed on a mobile holder and a plane medium is placed on the printing platform, the mobile holder is driven to move to a reference calibration point and move along a vertical axis towards the printing platform so the test piece is abutted against the plane medium. A height position of the test piece abutted against the plane medium is recorded. The mobile holder is driven to move to a second calibration point and move to the height position, and a height of a second corner of the printing platform is adjusted. The mobile holder is driven to move to a second calibration point and move to the height position, and a height of a second corner of the printing platform is adjusted.

Abstract: A three-dimensional printing method adapted for a three-dimensional printing device to print three-dimensional object includes: providing structure information and coloring information of a three-dimensional object, performing a slicing process on the three-dimensional object by a processor to obtain information of a plurality of printing layers, controlling the coloring information of the three-dimensional object correspond to the information of the printing layers by the processor to obtain the information of color layers corresponding to each of the printing layers, and disposing an adhesive layer on each of the printing layers and the color layer corresponding thereto, such that the adhesive layer covers at least a part of the color layer.

Abstract: A 3D printing method adapted to a 3D printing apparatus is provided. The 3D printing apparatus is configured to edit a plurality of sliced images, and execute a 3D printing operation according to the edited sliced images. The 3D printing method includes: analyzing a plurality of sliced objects of the sliced images, so as to draw a plurality of sliced object casings according to individual contours of the sliced objects, where the sliced object casings respectively include a part of the sliced objects; and respectively deleting the other parts of the sliced objects outside the sliced object casings, and integrating the sliced object casings of the sliced images to obtain a 3D model casing. Moreover, the 3D printing apparatus applying the 3D printing method is also provided.

Abstract: A 3-D printing apparatus includes a frame, a tank, an automatic-filling module and a control unit. The tank is disposed in the frame and contains a liquid-forming material. The automatic-filling module includes a sensing unit, a reservoir, a filling pipe and a pressuring unit. The sensing unit detects a liquid level of the tank. The reservoir stores the liquid-forming material. The filling pipe connects to the reservoir and includes an outlet. A maximum liquid level of the liquid-forming material in the reservoir is lower than or equal to a level of the outlet. A gap exists between the outlet and a top edge of the tank. The pressuring unit provides a positive pressure to the reservoir so that the liquid-forming material in the reservoir flows to the tank. The control unit determines whether the pressuring unit provides the positive pressure to the reservoir according to the liquid level.

Abstract: The invention provides a wireless charging system and a wireless charging method. The method includes: sending a first control signal by a processor; moving a wireless charging apparatus to a first position near an electronic apparatus according to a first control signal by a moving platform; and wirelessly charging the electronic apparatus by the wireless charging apparatus.