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: Various embodiments of the present disclosure may include an imaging system with a plurality of camera modules. The view configuration of the camera modules may be switchable. Thus, the imaging system may switch between, at least, a 180 view configuration and a 360 degree view configuration. A camera module may also be coupled to the imaging system to provide an additional camera.

Abstract: A printing head module including a body, a feeding roller assembly and a feeding sensor is provided. The body includes a material-supplying channel and a nozzle connected to the material-supplying channel. The feeding roller assembly is disposed at the material-supplying channel to transmit the modeling material to the nozzle. The feeding sensor is disposed at the feeding roller assembly to detect whether the feeding roller assembly rotates. The feeding sensor is coupled to a control unit, such that the control unit generates a notice according to a detection result of the feeding sensor.

Abstract: A three-dimensional printing apparatus including a fusion nozzle and a control device is provided. The fusion nozzle is configured to heat a molding material at a heating temperature. The control device is coupled to the fusion nozzle. The control device is configured to control the fusion nozzle to perform a printing operation according to a slicing image. The control device determines the heating temperature of the fusion nozzle according to slicing contour information of a slicing object in the slicing image. In addition, a three-dimensional printing method is also provided.

Abstract: A quick coloring method for a 3D printer having an ink nozzle-head includes the following steps: reading an image file and a coloring route; controlling the ink nozzle-head to move to a start position of one of printing rows; controlling the ink nozzle-head to move and to print a coloring object according to the image file and the coloring route; reading a reverse image file and a reverse coloring route, in which the reverse image file records a horizontal reverse image of the image file, and the reverse coloring route records an opposite start position; controlling the ink nozzle-head to move to the opposite start position of next printing row according to the reverse coloring route; controlling the ink nozzle-head to move and to print the coloring object according to the reverse image file and the reverse coloring route; and re-executing above steps before a coloring operation is completed.

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: A voice control method for using a voice control system for a 3D printer includes performing an application program to receive a voice command; performing the application program to transmit the voice command to a voice recognition server for translating the voice command into a text command; performing the application program to determine type of the text command based on its contents; after determining the type of the text command to be a printer command, transmitting the printer command to a 3D printer; after determining the type of the text command to be an image file command, performing the application program to transmit the image file command to an image file database, performing the application program to search image files in the image file database, and downloading the found image file; and performing the application program to transmit the downloaded image file to the 3D printer.

Abstract: A printing method for printing a multi-material 3D model comprises the following steps: perform a slicing process on a multi-material 3D object to generate the multi-material object slices and the object slices of a useful object; compute a material-switching point and a retrieving point during the slicing process; print the multi-material object slices of a multi-material 3D model with one of the materials; when print to the material-switching point, switch to another different material and print useful objects with the material used before the material switching; when print to the retrieving point, print the multi-material object slices with the material used after the material switching; and repeat the above steps until completing the multi-material 3D model printing. The present disclosed example prints the useful object via the remaining materials after the material switching which effectively reduces the cost with of multi-materials printing.

Abstract: A printing method for shielding component adopted to print a shielding component (2) of a 3D model (20) having multiple printing layers (11) is disclosed. The method first obtains all candidate points of first layer of the shielding component (2) and chooses one of the candidate points as a start point (211) of the first layer according to a default rule, and prints the first layer from the chosen start point (211). Next, the method obtains all candidate points of next layer of the shielding component (2) and chooses one of the candidate points of the next layer which is closest to the start point (211) of last layer to be printed as a start point of the next layer, and prints the next layer from the chosen start point.

Abstract: A hard disk tray adapted for accommodating a hard disk having a plurality of screw holes at two sides is provided. The hard disk tray includes a body and a cover. The body includes two body lateral walls and a plurality of fixing members protruding from the two body lateral walls and corresponding to at least a part of the screw holes. The cover is pivoted to the body and includes two cover lateral walls. When the hard disk is placed in the hard disk tray, the fixing members extend into the at least a part of the screw holes, and when the cover is closed to the body, the two cover lateral walls are located outside the two body lateral walls so as to prevent the two body lateral walls from moving outwardly. A hard disk rack assembly is further provided.

Abstract: A three dimension (3D) printing coloring method and a 3D printing system are provided. The method includes: generating printing object information according to model information of a 3D object, where the printing object information includes first contour coloring information and second contour coloring information; determining whether a similarity degree of the first contour coloring information and the second contour coloring information conforms to a default condition; if the similarity degree conforms to the default condition, controlling, according to the first contour coloring information and the second contour coloring information, a 3D printing device to perform a simultaneous coloring operation on a first printing layer and a second printing layer of a 3D object. Therefore, a working efficiency of the 3D printing device can be improved.

Abstract: A method of slicing and printing colour 3D model is disclosed. The method includes following steps: loading a model data corresponding to a colour 3D model; adding a pollution-blocking structure next to the colour 3D model; executing a slicing process to the pollution-blocking structure and the colour 3D model for generating a plurality of pollution-blocking slices and a plurality of model slices and configuring colour each of the model slices; and, controlling a modeling nozzle (100) of a multi-colour 3D printer (1) to print the pollution-blocking slices and the model slices layer by layer and controlling a coloring nozzle (102) of the multi-colour 3D printer (1) to color each of the model slices.

Abstract: A three-dimensional (3-D) printing apparatus and an inkjet coloring method thereof are provided. The 3-D printing apparatus includes a platform, a three-dimensional printing head, an inkjet head and the method includes following steps. A layer thickness of at least one layer object forming a 3-D object is obtained. An ink discharge volume of an ink layer is adjusted according to the layer thickness, wherein the ink discharge volume is in positive correlation with the layer thickness. A building material is melted and printed out on the platform according to the layer thickness by the three-dimensional printing head to form the at last one layer object. Ink is dispensed on the at last one layer object according to the adjusted ink discharge volume by the inkjet head to form the ink layer.

Abstract: A three-dimensional (3-D) printing apparatus and a three dimensional printing method are provided. The three dimensional printing method includes following steps. A closed printing path of a closed-contour structure is obtained, wherein the closed printing path includes a printing start point and a printing end point. A printing head is controlled to move from the printing start point and along a front segment of the closed printing path according to a first moving speed, and the printing head is controlled to simultaneously extrude a building material. After the printing head moves along the front segment of the closed printing path, the printing head is controlled to move to the printing end point along a rear segment of the closed printing path according to a second moving speed, and the printing head is controlled to simultaneously extrude the building material. The second moving speed is less than the first moving speed.

Abstract: A hard disk tray adapted for accommodating a hard disk having a plurality of screw holes at two sides is provided. The hard disk tray includes a body and a cover. The body includes two body lateral walls and a plurality of fixing members protruding from the two body lateral walls and corresponding to at least a part of the screw holes. The cover is pivoted to the body and includes two cover lateral walls. When the hard disk is placed in the hard disk tray, the fixing members extend into the at least a part of the screw holes, and when the cover is closed to the body, the two cover lateral walls are located outside the two body lateral walls so as to prevent the two body lateral walls from moving outwardly. A hard disk rack assembly is further provided.

Abstract: A hard disk drive (HDD) tray adapted to carry a HDD includes a base and a cover pivoted to the base. The base includes a bottom plate and two base lateral plates connected to the bottom plate. The cover includes a top plate and two cover lateral plates connected to the top plate. One of each of the cover lateral plates and the corresponding base lateral plate includes a first fixing member which is retractable, and the other includes a fixing hole corresponding to the first fixing member. The HDD is located between the base and the cover. When the cover covers the base, the first fixing members extend into the corresponding fixing holes to fix the relative location of the cover and the base. When the cover is pivoted upward relative to the base, each first fixing member is drawn back along an inner wall of the fixing hole to exit the corresponding fixing hole. A HDD rack assembly is also provided.

Abstract: An embodiment of a method for executing data access commands, performed by a control unit, is disclosed to include at least the following steps. A series of interface-driving instructions is read from a RAM (Random Access Memory) after detecting that an indication for altering instruction source has been written into a register. A storage-unit access interface is operated according to the interface-driving instructions, so as to complete data access to a storage unit.

Abstract: A method for providing push-to-talk communication service is provided. The method is used in a broadcast server and includes: receiving an invitation message from a calling device; broadcasting a plurality of push-to-talk invitation messages to a plurality of called devices identified in a group list associated with the calling device; and receiving a plurality of push-to-talk acknowledgment messages from the called devices to establish a first voice transmission path between the broadcast server and the called devices.

Abstract: A printing method for printing a multi-material 3D model comprises the following steps: perform a slicing process on a multi-material 3D object to generate the multi-material object slices and the object slices of a useful object; compute a material-switching point and a retrieving point during the slicing process; print the multi-material object slices of a multi-material 3D model with one of the materials; when print to the material-switching point, switch to another different material and print useful objects with the material used before the material switching; when print to the retrieving point, print the multi-material object slices with the material used after the material switching; and repeat the above steps until completing the multi-material 3D model printing. The present disclosed example prints the useful object via the remaining materials after the material switching which effectively reduces the cost with of multi-materials printing.

Abstract: A shading device for the light module of the surveillance camera, wherein the light module rotates, with the filming module of the camera, back and forth between the vertical axis and horizontal axis of the camera. The shading device includes a shading shield that can moves back and forth between the first position and the second position. When the light module and the filming module rotate to a preset angle zone that is near the horizontal axis, the shading shield will move with the light module and the filming module, and the shading shield shades part of the light emitted by the light module that the part of light will not project onto the reflective object of the camera.